| C.de G. /TGV Rail Svc | France | XDT | More info |
| C.F. Secada | Peru | IQT | More info |
| C.M. de Cespedes | Cuba | BYM | More info |
| Ca Mau | Viet Nam | CAH | More info |
| Cabaniss Field | United States | NGW | More info |
| Cabin Creek | United States | CBZ | More info |
| Cabinda | Angola | CAB | More info |
| Cable | United States | CCB | More info |
| Cable Heliport | United States | JUP | More info |
| Cabo Frio | Brazil | CFB | More info |
| Cabo Rojo | Dominican Republic | CBJ | More info |
| Cacador | Brazil | CFC | More info |
| Caceres | Brazil | CCX | More info |
| Cache | United States | LGU | More info |
| Cachoeira | Brazil | CCQ | More info |
| Cachoeiro Itapemirim | Brazil | CDI | More info |
| Cacoal | Brazil | OAL | More info |
| Cadillac | United States | CAD | More info |
| Cadiz | Spain | CDZ | More info |
| Cafunfo | Angola | CFF | More info |
| Cagayan De Sulu | Philippines | CDY | More info |
| Caia | Mozambique | CMZ | More info |
| Caicara De Oro | Venezuela | CXA | More info |
| Caiguna | Australia | CGV | More info |
| Cairns | Australia | CNS | More info |
| Cairns AAF | United States | OZR | More info |
| Cairo | United States | CIR | More info |
| Cajamarca | Peru | CJA | More info |
| Calabar | Nigeria | CBQ | More info |
| Calabozo | Venezuela | CLZ | More info |
| Calais | France | CQF | More info |
| Calbayog | Philippines | CYP | More info |
| Caldas Novas | Brazil | CLV | More info |
| Caldwell Wright | United States | CDW | More info |
| Caledonia | Panama | CDE | More info |
| Caleta Olivia | Argentina | CVI | More info |
| Calgary International Airport | Canada | YYC | More info |
| Calipatria | United States | CLR | More info |
| Callaway Gardens | United States | CWG | More info |
| Calloway | United States | LGC | More info |
| Calloway County | United States | CEY | More info |
| Caloundra | Australia | CUD | More info |
| Cam Ranh | Viet Nam | CXR | More info |
| Camarines Norte | Philippines | DTE | More info |
| Camba Punta | Argentina | CNQ | More info |
| Cambria County | United States | JST | More info |
| Cambridge | United Kingdom | CBG | More info |
| Cambridge | United States | CGE | More info |
| Cambridge Bay | Canada | YCB | More info |
| Camden | Australia | CDU | More info |
| Cameta | Brazil | CMT | More info |
| Camfield | Australia | CFI | More info |
| Camilo Dazo | Colombia | CUC | More info |
| Camiri | Bolivia | CAM | More info |
| Camocim | Brazil | CMC | More info |
| Camooweal | Australia | CML | More info |
| Camp A P Hill | United States | APH | More info |
| Camp Maybry AHP | United States | MMR | More info |
| Campbell AAF | United States | HOP | More info |
| Campbell County | United States | GCC | More info |
| Campbell River | Canada | YBL | More info |
| Campbellpore | Pakistan | CWP | More info |
| Campeche International | Mexico | CPE | More info |
| Campo | United States | CZZ | More info |
| Campo Alegre | Brazil | CMP | More info |
| Campo Dell Oro | France | AJA | More info |
| Campo Dos Bugres | Brazil | CXJ | More info |
| Campo Internacional | Brazil | CZS | More info |
| Campo Mourao | Brazil | CBW | More info |
| Can Tho | Viet Nam | VCA | More info |
| Cana Brava | Brazil | NBV | More info |
| Canaima | Venezuela | CAJ | More info |
| Canakkale | Turkey | CKZ | More info |
| Canal Balo | Chile | ZOS | More info |
| Cananea | Mexico | CNA | More info |
| Canarana Airport | Brazil | CQA | More info |
| Canas | Costa Rica | CSC | More info |
| Canavieiras | Brazil | CNV | More info |
| Canberra | Australia | CBR | More info |
| Cancun | Mexico | CUN | More info |
| Candala | Somalia | CXN | More info |
| Candilejas | Colombia | CJD | More info |
| Candle | United States | CDL | More info |
| Cane Field | Dominica | DCF | More info |
| Cangamba | Angola | CNZ | More info |
| Cangapara | Brazil | FLB | More info |
| Cannon AFB | United States | CVS | More info |
| Cano | Colombia | PSO | More info |
| Canobie | Australia | CBY | More info |
| Canon City | United States | CNE | More info |
| Canouan Island | Saint Vincent and the Grenadines | CIW | More info |
| Canton | United States | CTK | More info |
| Canton Island | Kiribati | CIS | More info |
| Canyonlands Field | United States | CNY | More info |
| Cap Haitien | Haiti | CAP | More info |
| Cap Skirring | Senegal | CSK | More info |
| Capanda | Angola | KNP | More info |
| Cape Barren Island | Australia | CBI | More info |
| Cape Dorset | Canada | YTE | More info |
| Cape Eleuthera | Bahamas | CEL | More info |
| Cape Flattery | Australia | CQP | More info |
| Cape Girardeau | United States | CGI | More info |
| Cape Gloucester | Papua New Guinea | CGC | More info |
| Cape Lisburne | United States | LUR | More info |
| Cape May County | United States | WWD | More info |
| Cape Newenham | United States | EHM | More info |
| Cape Orford | Papua New Guinea | CPI | More info |
| Cape Pole | United States | CZP | More info |
| Cape Rodney | Papua New Guinea | CPN | More info |
| Cape Romanzof | United States | CZF | More info |
| Cape St Jacques | Viet Nam | CSJ | More info |
| Cape St James | Canada | YCJ | More info |
| Cape Town International | South Africa | CPT | More info |
| Cape Vogel | Papua New Guinea | CVL | More info |
| Capiro | Honduras | TJI | More info |
| Capital | China | PEK | More info |
| Capital | United States | SPI | More info |
| Capital City | United States | LAN | More info |
| Capital City | United States | FFT | More info |
| Capitan Carlos Rovirosa | Mexico | VSA | More info |
| Capitan Corbeta CA Curbelo International Airport | Uruguay | PDP | More info |
| Capitan G Q Guardia | Bolivia | SRJ | More info |
| Capitan Rolden | Peru | PCL | More info |
| Capitolio | Colombia | FLA | More info |
| Capodichino | Italy | NAP | More info |
| Capri | Italy | PRJ | More info |
| Capurgana | Colombia | CPB | More info |
| Caquetania | Colombia | CQT | More info |
| Car Nicobar | India | CBD | More info |
| Carajas | Brazil | CKS | More info |
| Caransebes | Romania | CSB | More info |
| Carauari | Brazil | CAF | More info |
| Caravelas | Brazil | CRQ | More info |
| Carbon County | United States | PUC | More info |
| Cardak | Turkey | DNZ | More info |
| Cardiff-wales Arpt | United Kingdom | CWL | More info |
| Caribou Island | Canada | YCI | More info |
| Carimagua | Colombia | CCO | More info |
| Carleton | United States | SYN | More info |
| Carlisle | United Kingdom | CAX | More info |
| Carlos Ruhl | Brazil | CZB | More info |
| Carlsbad | United States | CLD | More info |
| Carlsbad | United States | CNM | More info |
| Carlton Hill | Australia | CRY | More info |
| Carmelita | Guatemala | CMM | More info |
| Carmen De Patagones | Argentina | CPG | More info |
| Carnarvon | Australia | CVQ | More info |
| Carnmore | Ireland | GWY | More info |
| Carnot | Central African Republic | CRF | More info |
| Carolina | Brazil | CLN | More info |
| Carora | Venezuela | VCR | More info |
| Carpentaria Downs | Australia | CFP | More info |
| Carpiquet | France | CFR | More info |
| Carrasco International Airport | Uruguay | MVD | More info |
| Carriacou Is | Grenada | CRU | More info |
| Carriel Sur | Chile | CCP | More info |
| Carrillo | Costa Rica | RIK | More info |
| Carrizo Springs | United States | CZT | More info |
| Carroll | United States | CIN | More info |
| Carsamba | Turkey | SZF | More info |
| Carson City | United States | CSN | More info |
| Carswell AFB | United States | FWH | More info |
| Cartago | Colombia | CRC | More info |
| Carthage | Tunisia | TUN | More info |
| Carti | Panama | CTE | More info |
| Cartierville | Canada | YCV | More info |
| Cartwright | Canada | YRF | More info |
| Caruaru | Brazil | CAU | More info |
| Carupano | Venezuela | CUP | More info |
| Caruru | Colombia | CUO | More info |
| Carutapera | Brazil | CTP | More info |
| Carvajal | Venezuela | VLV | More info |
| Casanare | Colombia | PZA | More info |
| Cascade Locks/Stevens | United States | CZK | More info |
| Cascavel | Brazil | CAC | More info |
| Casco Cove | United States | ATU | More info |
| Casement | United States | PVZ | More info |
| Casigua | Venezuela | CUV | More info |
| Casiguran | Philippines | CGG | More info |
| Casino | Australia | CSI | More info |
| Casper | United States | CPR | More info |
| Cassilandia | Brazil | CSS | More info |
| Castaway | Fiji | CST | More info |
| Castle AFB | United States | MER | More info |
| Castlebar | Ireland | CLB | More info |
| Castlebridge | Ireland | WEX | More info |
| Castlegar | Canada | YCG | More info |
| Castlereigh Reservoir | Sri Lanka | NUF | More info |
| Castro Pinto | Brazil | JPA | More info |
| Casuarito | Colombia | CSR | More info |
| Cat Cays | Bahamas | CXY | More info |
| Cat Island | Bahamas | CAT | More info |
| Cat Lake | Canada | YAC | More info |
| Catacamas | Honduras | CAA | More info |
| Catalao | Brazil | TLZ | More info |
| Catalina SPB | United States | SPQ | More info |
| Catamarca | Argentina | CTC | More info |
| Cataratas | Argentina | IGR | More info |
| Cataratas | Brazil | IGU | More info |
| Catbi | Viet Nam | HPH | More info |
| Cattle Creek | Australia | CTR | More info |
| Catumbela | Angola | CBT | More info |
| Cauayan | Philippines | CYZ | More info |
| Caucasia | Colombia | CAQ | More info |
| Cauquira | Honduras | CDD | More info |
| Cavancha | Chile | IQQ | More info |
| Caviahue | Argentina | CVH | More info |
| Cayana Airstrip | Suriname | AAJ | More info |
| Caye Caulker | Belize | CUK | More info |
| Caye Chapel | Belize | CYC | More info |
| Cayo Coco | Cuba | CCC | More info |
| Cayo Largo Del Sur | Cuba | CYO | More info |
| Cazombo | Angola | CAV | More info |
| Cecil Field | United States | VQQ | More info |
| Cedar City | United States | CDC | More info |
| Cedar Rapids | United States | CID | More info |
| Ceduna | Australia | CED | More info |
| Cengiz Topel | Turkey | KCO | More info |
| Center Island | United States | CWS | More info |
| Centerport Heliport | United States | JOC | More info |
| Central | Ukraine | ODS | More info |
| Central | United States | CEM | More info |
| Central Bus. District | United States | JDX | More info |
| Central Hpr | South Africa | HPR | More info |
| Central Japan International | Japan | NGO | More info |
| Central Maine | United States | OWK | More info |
| Central Station | Netherlands | QRH | More info |
| Central Station | Italy | XIK | More info |
| Central Wisconsin | United States | CWA | More info |
| Centralia | United States | CLS | More info |
| Centralia | Canada | YCE | More info |
| Century City | United States | CCD | More info |
| Cepu | Indonesia | CPF | More info |
| Ceres | Argentina | CRR | More info |
| Cerro Moreno | Chile | ANF | More info |
| Cerro Sombrero | Chile | SMB | More info |
| Cessna Aircraft Field | United States | CEA | More info |
| Cessnock | Australia | CES | More info |
| Ceuta Heliport | Spain | JCU | More info |
| Chabeuil | France | VAF | More info |
| Chacalluta | Chile | ARI | More info |
| Chachapoyas | Peru | CHH | More info |
| Chachoan | Ecuador | ATF | More info |
| Chadron | United States | CDR | More info |
| Chaffee AFB | United States | CCA | More info |
| Chagni | Ethiopia | MKD | More info |
| Chah-Bahar | Iran | ZBR | More info |
| Chaiten | Chile | WCH | More info |
| Chakcharan | Afghanistan | CCN | More info |
| Chalkyitsik | United States | CIK | More info |
| Challis | United States | CHL | More info |
| Chambery | France | CMF | More info |
| Chamonate | Chile | CPO | More info |
| Chan Gurney | United States | YKN | More info |
| Chanaral | Chile | CNR | More info |
| Chandalar | United States | WCR | More info |
| Chandigarh | India | IXC | More info |
| Changchun | China | CGQ | More info |
| Changde | China | CGD | More info |
| Changhai | China | CNI | More info |
| Changi | Singapore | SIN | More info |
| Changsha | China | CSX | More info |
| Changsha Huanghua | China | HHA | More info |
| Changuinola | Panama | CHX | More info |
| Changzhi | China | CIH | More info |
| Changzhou | China | CZX | More info |
| Changzhoudao | China | WUZ | More info |
| Chaoyang Airport | China | CHG | More info |
| Chapada Diamantina | Brazil | LEC | More info |
| Chaparral | Colombia | CPL | More info |
| Chapeco | Brazil | XAP | More info |
| Chapelco | Argentina | CPC | More info |
| Chapleau | Canada | YLD | More info |
| Charata | Argentina | CNT | More info |
| Charif Al Idrissi | Morocco | AHU | More info |
| Charleroi Brussels South | Belgium | CRL | More info |
| Charles De Gaulle | France | CDG | More info |
| Charleville | Australia | CTL | More info |
| Charlevoix | Canada | YML | More info |
| Charlo | Canada | YCL | More info |
| Charlotte County | United States | PGD | More info |
| Charlottetown | Canada | YYG | More info |
| Charlottetown | Canada | YHG | More info |
| Charmeil | France | VHY | More info |
| Charny | Canada | XFZ | More info |
| Charolais Bourgogne S. | France | SYT | More info |
| Charters Towers | Australia | CXT | More info |
| Chase Field NAS | United States | NIR | More info |
| Chateauroux | France | CHR | More info |
| Chatham | Canada | XCM | More info |
| Chatham SPB | United States | CYM | More info |
| Chaurjhari | Nepal | HRJ | More info |
| Chaves | Portugal | CHV | More info |
| Cheboksary | Russian Federation | CSY | More info |
| Chefornak SPB | United States | CYF | More info |
| Chelinda | Malawi | CEH | More info |
| Chelyabinsk | Russian Federation | CEK | More info |
| Chemnitz Railway Stn. | Germany | ZTZ | More info |
| Chena Hot Springs | United States | CEX | More info |
| Chengdu | China | CTU | More info |
| Cheongju | Korea (South) | CJJ | More info |
| Cheraw | United States | HCW | More info |
| Cherepovets | Russian Federation | CEE | More info |
| Cherkassy | Ukraine | CKC | More info |
| Chernigov | Ukraine | CEJ | More info |
| Chernovtsy | Ukraine | CWC | More info |
| Cherokee | United States | CKK | More info |
| Cherrabun | Australia | CBC | More info |
| Cherribah | Australia | CRH | More info |
| Cherry Capital Airport | United States | TVC | More info |
| Cherskiy | Russian Federation | CYX | More info |
| Chess-Lambertin | United States | FKL | More info |
| Chester | United Kingdom | CEG | More info |
| Chestercounty Carlson | United States | CTH | More info |
| Chesterfield Inlet | Canada | YCS | More info |
| Chetumal | Mexico | CTM | More info |
| Chetwynd | Canada | YCQ | More info |
| Chevak | United States | VAK | More info |
| Chevery | Canada | YHR | More info |
| Cheyenne | United States | CYS | More info |
| Chhatrapati Shivaji | India | BOM | More info |
| Chi Mei | Taiwan | CMJ | More info |
| Chiang Kai Shek | Taiwan | TPE | More info |
| Chiang Rai | Thailand | CEI | More info |
| Chiayi | Taiwan | CYI | More info |
| Chibougamau | Canada | YMT | More info |
| Chicago FSS | United States | CHI | More info |
| Chicago NAS | United States | NOH | More info |
| Chichen Itza | Mexico | CZA | More info |
| Chicken | United States | CKX | More info |
| Chico | United States | CIC | More info |
| Chifeng | China | CIF | More info |
| Chignik | United States | KCQ | More info |
| Chignik Bay | United States | KBW | More info |
| Chigorodo | Colombia | IGO | More info |
| Chikkalthana | India | IXU | More info |
| Chilas | Pakistan | CHB | More info |
| Childress | United States | CDS | More info |
| Chile Chico | Chile | CCH | More info |
| Chileka | Malawi | BLZ | More info |
| Chilko Lake | Canada | CJH | More info |
| Chillagoe | Australia | LLG | More info |
| Chillan | Chile | YAI | More info |
| Chilliwack Municipal Airport | Canada | YCW | More info |
| Chimbote | Peru | CHM | More info |
| Chimbu | Papua New Guinea | CMU | More info |
| Chimoio | Mozambique | VPY | More info |
| China Basin Heliport | United States | JCC | More info |
| China Bay | Sri Lanka | TRR | More info |
| China Straits Airstrip | Papua New Guinea | SQT | More info |
| Chinchilla | Australia | CCL | More info |
| Chinde | Mozambique | INE | More info |
| ChingChuanKang | Taiwan | RMQ | More info |
| Chingola | Zambia | CGJ | More info |
| Chinguitti | Mauritania | CGT | More info |
| Chino | United States | CNO | More info |
| Chios | Greece | JKH | More info |
| Chipata | Zambia | CIP | More info |
| Chipinge | Zimbabwe | CHJ | More info |
| Chippewa County | United States | CIU | More info |
| Chiquimula | Guatemala | CIQ | More info |
| Chisana Field | United States | CZN | More info |
| Chisasibi | Canada | YKU | More info |
| Chisholm | United States | HIB | More info |
| Chisinau | Moldova | KIV | More info |
| Chistochina | United States | CZO | More info |
| Chita | Russian Federation | HTA | More info |
| Chitato | Angola | PGI | More info |
| Chitina Arpt | United States | CXC | More info |
| Chitose | Japan | CTS | More info |
| Chitral | Pakistan | CJL | More info |
| Chitre | Panama | CTD | More info |
| Chivolo | Colombia | IVO | More info |
| Chkalovsky | Russian Federation | CKL | More info |
| Choibalsan | Mongolia | COQ | More info |
| Choiseul Bay | Solomon Islands | CHY | More info |
| Chokurdah | Russian Federation | CKH | More info |
| Chokwe | Mozambique | TGS | More info |
| Chomley | United States | CIV | More info |
| Chongqing Jiangbei International | China | CKG | More info |
| Christchurch International | New Zealand (aotearoa) | CHC | More info |
| Christmas Creek | Australia | CXQ | More info |
| Christmas Island | Kiribati | CXI | More info |
| Christmas Island | Christmas Island | XCH | More info |
| Chuathbaluk | United States | CHU | More info |
| Chub Cay | Bahamas | CCZ | More info |
| Chuja Heliport | Korea (South) | JCJ | More info |
| Chulai | Viet Nam | VCL | More info |
| Chulman | Russian Federation | CNN | More info |
| Chumphon Airport | Thailand | CJM | More info |
| Chungribu | Papua New Guinea | CVB | More info |
| Churchill Falls | Canada | ZUM | More info |
| Chute-Des-Passes | Canada | YWQ | More info |
| Ciampino | Italy | CIA | More info |
| Cicia | Fiji | ICI | More info |
| Cienfuegos | Cuba | CFG | More info |
| Cigli Military Arpt | Turkey | IGL | More info |
| Cimitarra | Colombia | CIM | More info |
| Cinci. /nrthrn Kentucky | United States | CVG | More info |
| Cinder River | United States | RCP | More info |
| Circle City | United States | IRC | More info |
| Circle Hot Springs | United States | CHP | More info |
| Citicorp Plaza H/P | United States | JCX | More info |
| City | United States | CKU | More info |
| City County | United States | HVR | More info |
| City County | United States | TWF | More info |
| City Heliport | Australia | KAH | More info |
| City Landing | United States | JBT | More info |
| City Of Industry H/P | United States | JID | More info |
| City-county | United States | MDJ | More info |
| City-County | United States | EWK | More info |
| Ciudad Bolivar | Venezuela | CBL | More info |
| Ciudad Constitucion | Mexico | CUA | More info |
| Ciudad Del Carmen | Mexico | CME | More info |
| Ciudad Guayana | Venezuela | CGU | More info |
| Ciudad Mante | Mexico | MMC | More info |
| Ciudad Obregon | Mexico | CEN | More info |
| Ciudad Real - Don Quijote Airport | Spain | CJI | More info |
| Ciudad Victoria | Mexico | CVM | More info |
| Civic Ar Heli | United States | CVA | More info |
| Civil | Myanmar | AKY | More info |
| Civil | Sudan | KRT | More info |
| Civil | India | RAJ | More info |
| Civil | India | TRZ | More info |
| Civil - Marka Airport | Jordan | ADJ | More info |
| Clark Field | United States | SEP | More info |
| Clarks Point | United States | CLP | More info |
| Clayton | United States | CAO | More info |
| Clear Lake | United States | CKE | More info |
| Clermont | Australia | CMQ | More info |
| Cleve | Australia | CVC | More info |
| Clifton Hills | Australia | CFH | More info |
| Clinton | United States | CWI | More info |
| Clinton County | United States | PLB | More info |
| Clinton Creek | Canada | YLM | More info |
| Clinton Field | United States | ILN | More info |
| Clintonville | United States | CLI | More info |
| Cloncurry | Australia | CNJ | More info |
| Clorinda | Argentina | CLX | More info |
| CLR Airport | Philippines | RZP | More info |
| Club Makokola | Malawi | CMK | More info |
| Cluff Lake | Canada | XCL | More info |
| Cluny | Australia | CZY | More info |
| Clyde River | Canada | YCY | More info |
| Coal Harbour | Canada | CXH | More info |
| Coalinga | United States | CLG | More info |
| Coari | Brazil | CIZ | More info |
| Coast Guard | United States | ERO | More info |
| Coast Guard | United States | LRK | More info |
| Coast Guard Heliport | United States | PRT | More info |
| Coast Guard Heliport | United States | CSP | More info |
| Coast Guard Heliport | United States | TRP | More info |
| Coatepeque Airport | Guatemala | CTF | More info |
| Coban | Guatemala | CBV | More info |
| Cobar | Australia | CAZ | More info |
| Coca | Ecuador | OCC | More info |
| Cochrane | Chile | LGR | More info |
| Cochrane | Canada | YCN | More info |
| Cochstedt | Germany | CSO | More info |
| Cockburn Town | Bahamas | ZSA | More info |
| Coconut Island | Australia | CNC | More info |
| Cocos Islands | Cocos (Keeling) Islands | CCK | More info |
| Codazzi | Colombia | DZI | More info |
| Coen | Australia | CUQ | More info |
| Coffee Point | United States | CFA | More info |
| Coffield | United States | RCK | More info |
| Coffman Cove SPB | United States | KCC | More info |
| Coffs Harbour | Australia | CFS | More info |
| Coimbra | Portugal | CBP | More info |
| Colac | Australia | XCO | More info |
| Cold Bay | United States | CDB | More info |
| Cold Lake | Canada | YOD | More info |
| Coldfoot | United States | CXF | More info |
| Coleman | United States | COM | More info |
| Coles County Memorial | United States | MTO | More info |
| Colima | Mexico | CLQ | More info |
| Collarenebri | Australia | CRB | More info |
| College Park | United States | CGS | More info |
| Collie | Australia | CIE | More info |
| Collins Bay | Canada | YKC | More info |
| Collinsville | Australia | KCE | More info |
| Collooney | Ireland | SXL | More info |
| Colmar-Houssen | France | CMR | More info |
| Colmore Row Bus Stn | United Kingdom | ZBC | More info |
| Cologne/bonn | Germany | CGN | More info |
| Colon | Panama | ONX | More info |
| Colonia Catriel | Argentina | CCT | More info |
| Colonia Sarmiento | Argentina | OLN | More info |
| Colorado Creek | United States | KCR | More info |
| Colorado do Oeste | Brazil | CSW | More info |
| Colorado Springs | United States | COS | More info |
| Columbia | United States | COA | More info |
| Columbia County | United States | HCC | More info |
| Columbia Regional | United States | COU | More info |
| Columbus | United States | OLU | More info |
| Columbus AFB | United States | CBM | More info |
| Columbus Municipal | United States | CLU | More info |
| Colville Lake | Canada | YCK | More info |
| Comalapa International | El Salvador | SAL | More info |
| Comandante | Argentina | BHI | More info |
| Comandante Kraemer | Brazil | ERM | More info |
| Combolcha | Ethiopia | DSE | More info |
| Comilla | Bangladesh | CLA | More info |
| Comiso | Italy | CIY | More info |
| Commerce Bus. Plaza | United States | JBP | More info |
| Comodoro Rivadavia | Argentina | CRD | More info |
| Comoro | Indonesia | DIL | More info |
| Comox | Canada | YQQ | More info |
| Compton | United States | CPM | More info |
| Conakry | Guinea | CKY | More info |
| Conceicao Do Araguaia | Brazil | CDJ | More info |
| Concepcion | Bolivia | CEP | More info |
| Concord | United States | CON | More info |
| Concordia | Brazil | CCI | More info |
| Concordia | Argentina | COC | More info |
| Condobolin | Australia | CBX | More info |
| Condron AAF | United States | WSD | More info |
| Confresa | Brazil | STZ | More info |
| Confreza | Brazil | CFO | More info |
| Congo Town | Bahamas | COX | More info |
| Congonhas | Brazil | CGH | More info |
| Connellan | Australia | AYQ | More info |
| Connemara | Ireland | NNR | More info |
| Constanza | Dominican Republic | COZ | More info |
| Contadora | Panama | OTD | More info |
| Convention Center H/P | United States | JCE | More info |
| Converse County | United States | DGW | More info |
| Coober Pedy | Australia | CPD | More info |
| Cooch Behar | India | COH | More info |
| Cooinda | Australia | CDA | More info |
| Cooktown | Australia | CTN | More info |
| Coolah | Australia | CLH | More info |
| Coolawanyah | Australia | COY | More info |
| Coolibah | Australia | COB | More info |
| Cooma | Australia | OOM | More info |
| Coonabarabran | Australia | COJ | More info |
| Coonamble | Australia | CNB | More info |
| Coong | Viet Nam | VCS | More info |
| Co-op Point | Canada | YCP | More info |
| Cooperstown | United States | COP | More info |
| Coorabie | Australia | CRJ | More info |
| Cootamundra | Australia | CMD | More info |
| Copalar | Mexico | CJT | More info |
| Copan | Honduras | RUY | More info |
| Copernicus Airport | Poland | WRO | More info |
| Copper Centre | United States | CZC | More info |
| Coquimbo | Chile | COW | More info |
| Coral Harbour | Canada | YZS | More info |
| Corazon De Jesus | Panama | CZJ | More info |
| Corbin-London | United States | LOZ | More info |
| Corcoran | United States | CRO | More info |
| Cordillo Downs | Australia | ODL | More info |
| Cordoba | Spain | ODB | More info |
| Cork | Ireland | ORK | More info |
| Corlu | Turkey | TEQ | More info |
| Corn Island | Nicaragua | RNI | More info |
| Cornel Ruiz | Peru | CIX | More info |
| Cornelio Procopio | Brazil | CKO | More info |
| Corner Bay | United States | CBA | More info |
| Corning | United States | ELM | More info |
| Coro | Venezuela | CZE | More info |
| Coromandel | New Zealand (Aotearoa) | CMV | More info |
| Coronation | Canada | YCT | More info |
| Coronel E Soto Cano AB | Honduras | ENQ | More info |
| Coronie | Suriname | TOT | More info |
| Corowa | Australia | CWW | More info |
| Corozal | Colombia | CZU | More info |
| Corozal | Belize | CZH | More info |
| Corrado Gex | Italy | AOT | More info |
| Corryong | Australia | CYG | More info |
| Corsicana | United States | CRS | More info |
| Cortes Bay | Canada | YCF | More info |
| Cortland | United States | CTX | More info |
| Corvo Island | Portugal | CVU | More info |
| Costa Brava | Spain | GRO | More info |
| Costa Marques | Brazil | CQS | More info |
| Costa Smeralda | Italy | OLB | More info |
| Cote d'Azur International Airport | France | NCE | More info |
| Coto 47 | Costa Rica | OTR | More info |
| Cotonou | Benin | COO | More info |
| Cotopaxi International | Ecuador | LTX | More info |
| Cottbus | Germany | CBU | More info |
| Cottbus Railway Stn. | Germany | ZTT | More info |
| Cottesmor RAF | United Kingdom | OKH | More info |
| Cottonwood | United States | CTW | More info |
| Cotulla | United States | COT | More info |
| Coulter Field | United States | CFD | More info |
| County | United States | BFT | More info |
| County | United States | OBE | More info |
| County | United States | SIV | More info |
| County | United States | SCH | More info |
| County | United States | JAS | More info |
| County | United States | WSG | More info |
| County Arpt | United States | ANB | More info |
| County-Foster | United States | VCT | More info |
| Courchevel | France | CVF | More info |
| Courtenay | Canada | YCA | More info |
| Covenas | Colombia | CVE | More info |
| Coventry - West Midlands International Airport | United Kingdom | CVT | More info |
| Covilha | Portugal | COV | More info |
| Cowarie | Australia | CWR | More info |
| Cowell | Australia | CCW | More info |
| Cowley | Canada | YYM | More info |
| Cowra | Australia | CWT | More info |
| Cox Field | United States | PRX | More info |
| Coyoles | Honduras | CYL | More info |
| Cozumel | Mexico | CZM | More info |
| Cradock | South Africa | CDO | More info |
| Craig AFB | United States | SEM | More info |
| Craig Cove | Vanuatu | CCV | More info |
| Craig Municipal | United States | CRG | More info |
| Craig SPB | United States | CGA | More info |
| Craig-Moffat | United States | CIG | More info |
| Craiova | Romania | CRA | More info |
| Cranbrook | Canada | YXC | More info |
| Crane County Arpt | United States | CCG | More info |
| Crane Island | United States | CKR | More info |
| Cravo Norte | Colombia | RAV | More info |
| Creech AAF | United States | LSD | More info |
| Creil | France | CSF | More info |
| Cresswell Downs | Australia | CSD | More info |
| Crested Butte | United States | CSE | More info |
| Creston Valley Airport | Canada | CFQ | More info |
| Crews Field | United States | RTN | More info |
| Criciuma | Brazil | CCM | More info |
| Cristoforo Colombo | Italy | GOA | More info |
| Croisette Heliport | France | JCA | More info |
| Croker Island | Australia | CKI | More info |
| Cromarty | United Kingdom | CRN | More info |
| Crooked Creek | United States | CKD | More info |
| Crooked Island | Bahamas | CRI | More info |
| Cross City | United States | CTY | More info |
| Cross Lake | Canada | YCR | More info |
| Crosson Field | United States | STK | More info |
| Crotone | Italy | CRV | More info |
| Crow Wing County | United States | BRD | More info |
| Crown Point Airport | Trinidad and Tobago | TAB | More info |
| Crown Point Airport | Trinidad and Tobago | TAB | More info |
| Croydon | Australia | CDQ | More info |
| Crystal | United States | MIC | More info |
| Crystal Lake | United States | CYE | More info |
| Cuamba | Mozambique | FXO | More info |
| Cubatao | Brazil | JOI | More info |
| Cube Cove | United States | CUW | More info |
| Cubi Pt NAS | Philippines | NCP | More info |
| Cudal | Australia | CUG | More info |
| Cuddapah | India | CDP | More info |
| Cuddihy Field | United States | CUX | More info |
| Cue | Australia | CUY | More info |
| Cuenca | Ecuador | CUE | More info |
| Cuito Cuanavale | Angola | CTI | More info |
| Culberson County | United States | VHN | More info |
| Culebra | Puerto Rico | CPX | More info |
| Culion | Philippines | CUJ | More info |
| Cumana | Venezuela | CUM | More info |
| Cummings Park | United States | WBN | More info |
| Cunnamulla | Australia | CMA | More info |
| Currillo | Colombia | CUI | More info |
| Curtis Field | United States | BBD | More info |
| Curtis Memorial | United States | ORV | More info |
| Cururupu | Brazil | CPU | More info |
| Curuzu Cuatia | Argentina | UZU | More info |
| Cut Bank | United States | CTB | More info |
| Cutral | Argentina | CUT | More info |
| Cuxhaven | Germany | NDZ | More info |
| Cuxhaven/Nordholz | Germany | FCN | More info |
| Cuyahoga County | United States | CGF | More info |
| Cuyo | Philippines | CYU | More info |
| Czestochowa | Poland | CZW | More info |