| R.A.F. | Germany | BGN | More info |
| R.A.F. | Germany | LRC | More info |
| R.E. Murray | Liberia | SNI | More info |
| R.Lloyd Jones | United States | RVS | More info |
| Rabaraba | Papua New Guinea | RBP | More info |
| Rabi | Fiji | RBI | More info |
| Rabil | Cape Verde | BVC | More info |
| Rach Gia | Viet Nam | VKG | More info |
| Raduzhnyi | Russian Federation | RAT | More info |
| Rae Lakes | Canada | YRA | More info |
| RAF Gatow | Germany | GWW | More info |
| RAF Station | United Kingdom | LYE | More info |
| RAF Station | United Kingdom | LMO | More info |
| Raf Station | United Kingdom | BZZ | More info |
| RAF Station | United Kingdom | ABB | More info |
| RAF Station | United Kingdom | AYH | More info |
| RAF Station | United Kingdom | BEX | More info |
| RAF Station | United Kingdom | FFD | More info |
| RAF Station | United Kingdom | GQJ | More info |
| RAF Station | United Kingdom | ODH | More info |
| RAF Station | United Kingdom | SQZ | More info |
| RAF Station | United Kingdom | WTN | More info |
| RAF Station | United Kingdom | UHF | More info |
| Rafael Cabrera | Cuba | GER | More info |
| Rafael Nunez | Colombia | CTG | More info |
| Rafai | Central African Republic | RFA | More info |
| Rafha | Saudi Arabia | RAH | More info |
| Rafic Hariri International | Lebanon | BEY | More info |
| Rafsanjan | Iran | RJN | More info |
| Rafsu Decimomannu | Italy | DCI | More info |
| Raglan | Australia | BHS | More info |
| Raglan | New Zealand (Aotearoa) | RAG | More info |
| Rahim Yar Khan | Pakistan | RYK | More info |
| Raiatea | French Polynesia | RFP | More info |
| Railway | Belgium | OST | More info |
| Railway | Norway | YVK | More info |
| Railway | Norway | XJA | More info |
| Railway | Norway | XHT | More info |
| Railway | Norway | YVH | More info |
| Railway | Norway | YVS | More info |
| Railway | Norway | ZMX | More info |
| Railway | Germany | ZIU | More info |
| Railway | Norway | ZMQ | More info |
| Railway | Norway | ZMZ | More info |
| Railway | France | ZYN | More info |
| Railway | Norway | ZYG | More info |
| Railway - Union Station | United States | ZWU | More info |
| Railway Station | Namibia | ZSZ | More info |
| Railway Station | Namibia | ZWH | More info |
| Railway Station | United Kingdom | XWS | More info |
| Railway Station | United Kingdom | XQH | More info |
| Railway Station | Germany | XHJ | More info |
| Railway Station | United Kingdom | XQI | More info |
| Railway Station | Austria | XGZ | More info |
| Rainbow Lake | Canada | YOP | More info |
| Raipur | India | RPR | More info |
| Raivavae | French Polynesia | RVV | More info |
| Raja Sansi | India | ATQ | More info |
| Rajahmundry | India | RJA | More info |
| Rajbiraj | Nepal | RJB | More info |
| Rajiv Gandhi Airport | India | HYD | More info |
| Rajouri | India | RJI | More info |
| Rajshahi | Bangladesh | RJH | More info |
| Rakanda | Papua New Guinea | RAA | More info |
| Raleigh | United States | HSB | More info |
| Raleigh-Durham International Airport | United States | RDU | More info |
| Ralph Calhoun | United States | TAL | More info |
| Ramadan | Egypt | TFR | More info |
| Ramagundam | India | RMD | More info |
| Ramallah Heliport | Palestine | ZDM | More info |
| Ramata | Solomon Islands | RBV | More info |
| Ramechhap | Nepal | RHP | More info |
| Ramidi | Iraq | XTM | More info |
| Ramingining | Australia | RAM | More info |
| Ramon Villeda Morales | Honduras | SAP | More info |
| Rampart | United States | RMP | More info |
| Ramsar | Iran | RZR | More info |
| Ramstein | Germany | RMS | More info |
| Ranau | Malaysia | RNU | More info |
| Ranchi | India | IXR | More info |
| Randburg Heliport | South Africa | HCS | More info |
| Randgermiston | South Africa | QRA | More info |
| Randolph AFB | United States | RND | More info |
| Rangely | United States | RNG | More info |
| Ranger Municipal | United States | RGR | More info |
| Rangiroa | French Polynesia | RGI | More info |
| Rangpur | Bangladesh | RAU | More info |
| Rankin Inlet | Canada | YRT | More info |
| Ranong | Thailand | UNN | More info |
| Ransiki | Indonesia | RSK | More info |
| Rarotonga | Cook Islands | RAR | More info |
| Ras Al Khaimah | United Arab Emirates | RKT | More info |
| Rasht | Iran | RAS | More info |
| Raspberry Strait | United States | RSP | More info |
| Ratanakiri | Cambodia | RBE | More info |
| Ratnagiri | India | RTC | More info |
| Raudha | Yemen | RXA | More info |
| Raufarhofn | Iceland | RFN | More info |
| Ravensthorpe | Australia | RVT | More info |
| Rawala Kot | Pakistan | RAZ | More info |
| Rawlins | United States | RWL | More info |
| Reao | French Polynesia | REA | More info |
| Rebiechowo | Poland | GDN | More info |
| Rebun | Japan | RBJ | More info |
| Rechlin | Germany | REB | More info |
| Reconquista | Argentina | RCQ | More info |
| Red Bluff Fss | United States | RBL | More info |
| Red Deer | Canada | YQF | More info |
| Red Devil | United States | RDV | More info |
| Red Dog | United States | RDB | More info |
| Red Lake | Canada | YRL | More info |
| Red Sucker Lake | Canada | YRS | More info |
| Redbird | United States | RBD | More info |
| Redcliffe | Vanuatu | RCL | More info |
| Redding | United States | RDD | More info |
| Redencao | Brazil | RDC | More info |
| Redstone AAF | United States | HUA | More info |
| Redwood Falls Muni | United States | RWF | More info |
| Redzikowo | Poland | OSP | More info |
| Reenroe | Ireland | CHE | More info |
| Reese AFB | United States | REE | More info |
| Regina | French Guiana | REI | More info |
| Regina | Saskatchewan | YQR | More info |
| Regional | Canada | YCC | More info |
| Regional | United States | VLD | More info |
| Regional | United States | TVF | More info |
| Regional | United States | PMH | More info |
| Regional | United States | PNS | More info |
| Regional | United States | DAB | More info |
| Regional | United States | FAM | More info |
| Regional | United States | HIE | More info |
| Regional | United States | RAP | More info |
| Regional | United States | SHV | More info |
| Regional Airport | United States | LIT | More info |
| Regional De Maringa SBMG | Brazil | MGF | More info |
| Regional Do Cariri | Brazil | JDO | More info |
| Regional(Jo Foss Fld) | United States | FSD | More info |
| Rehoboth Beach | United States | REH | More info |
| Reid-Hillview | United States | RHV | More info |
| Reilly AHP | United States | RLI | More info |
| Reims | France | RHE | More info |
| Reina Beatrix | Aruba | AUA | More info |
| Reivilo | South Africa | RVO | More info |
| Rejon | Mexico | MID | More info |
| Renaison | France | RNE | More info |
| Rendani | Indonesia | MKW | More info |
| Renmark | Australia | RMK | More info |
| Rennell | Solomon Islands | RNL | More info |
| Renner Field | United States | GLD | More info |
| Reno-Tahoe International Airport | Nevada | RNO | More info |
| Rensselaer | United States | RNZ | More info |
| Renton | United States | RNT | More info |
| Rentschler | United States | EHT | More info |
| Rep | United States | MHS | More info |
| Republic Field | United States | FRG | More info |
| Repulse Bay | Canada | YUT | More info |
| Resende | Brazil | REZ | More info |
| Resistencia | Argentina | RES | More info |
| Resolute | Canada | YRB | More info |
| Resolution Island | Canada | YRE | More info |
| Reus | Spain | REU | More info |
| Revelstoke | Canada | YRV | More info |
| Rewa | India | REW | More info |
| Reyes | Bolivia | REY | More info |
| Reykholar | Iceland | RHA | More info |
| Reykiahlid | Iceland | MVA | More info |
| Reykjavik Domestic | Iceland | RKV | More info |
| Reynolds | United States | RIF | More info |
| Reynolds Municipal | United States | JXN | More info |
| Rheindahlen | Germany | GMY | More info |
| Rhein-Main AFB | Germany | FRF | More info |
| Rialway Service | Denmark | XJE | More info |
| Rice County Municipal | United States | LYO | More info |
| Rice Lake | United States | RIE | More info |
| Richard B Russell | United States | RMG | More info |
| Richard I Bong Arpt | United States | SUW | More info |
| Richard Toll | Senegal | RDT | More info |
| Richards Bay | South Africa | RCB | More info |
| Richards Field | United States | MSS | More info |
| Richards-Gebaur | United States | GVW | More info |
| Richland | United States | RLD | More info |
| Richland Municipal | United States | SDY | More info |
| Richmond | Australia | RCM | More info |
| Richmond | United States | RID | More info |
| Richmond AFB | Australia | XRH | More info |
| Richmond VA Rail | United States | ZRD | More info |
| Rickenbacker | United States | LCK | More info |
| Riesa | Germany | IES | More info |
| Rif | Iceland | OLI | More info |
| Riga International | Latvia | RIX | More info |
| Rigolet | Canada | YRG | More info |
| Rijeka | Croatia (hrvatska) | RJK | More info |
| Rimouski | Canada | YXK | More info |
| Rinas | Albania | TIA | More info |
| Rincon de los Sauces | Argentina | RDS | More info |
| Ringebu Railway | Norway | XUQ | More info |
| Ringi Cove | Solomon Islands | RIN | More info |
| Rinkenberger | United States | BDF | More info |
| Rio | Brazil | IDO | More info |
| Rio Alzucar | Panama | RIZ | More info |
| Rio Cuarto | Argentina | RCU | More info |
| Rio Frio | Costa Rica | RFR | More info |
| Rio Grande | Brazil | RIG | More info |
| Rio Grande | Argentina | RGA | More info |
| Rio Hondo | Argentina | RHD | More info |
| Rio Mayo | Argentina | ROY | More info |
| Rio Sidra | Panama | RSI | More info |
| Rio Tigre | Panama | RIT | More info |
| Rio Turbio | Argentina | RYO | More info |
| Rio Verde | Brazil | RVD | More info |
| Riohacha | Colombia | RCH | More info |
| Rioja | Peru | RIJ | More info |
| Rishiri | Japan | RIS | More info |
| Rivera | Uruguay | RVY | More info |
| Rivercess | Liberia | RVC | More info |
| Rivers | Canada | YYI | More info |
| Rivers Inlet | Canada | YRN | More info |
| Riverside Fla-Bob | United States | RIR | More info |
| Riverside Municipal | United States | RAL | More info |
| Riverton | United States | RIW | More info |
| Riviere Au Tonnerre | Canada | YTN | More info |
| Riviere Du Loup | Canada | YRI | More info |
| Riyan Mukalla | Yemen | RIY | More info |
| Road Town | Virgin Islands (British) | RAD | More info |
| Roatan | Honduras | RTB | More info |
| Robert J. Miller | United States | MJX | More info |
| Robert L Bradshaw International | Saint Kitts And Nevis | SKB | More info |
| Robert Lafleur | United States | WVL | More info |
| Robert S Kerr | United States | RKR | More info |
| Roberts AAF | United States | SYL | More info |
| Roberts Field | United States | RDM | More info |
| Roberts Intl | Liberia | ROB | More info |
| Robertson | South Africa | ROD | More info |
| Roberval | Canada | YRJ | More info |
| Robin Hood | United Kingdom | DSA | More info |
| Robinhood | Australia | ROH | More info |
| Robins AFB | United States | WRB | More info |
| Robinson River | Australia | RRV | More info |
| Robinson River | Papua New Guinea | RNR | More info |
| Robinvale | Australia | RBC | More info |
| Robore | Bolivia | RBO | More info |
| Rochambeau | French Guiana | CAY | More info |
| Roche Harbor | United States | RCE | More info |
| Rochester | United Kingdom | RCS | More info |
| Rochester NY Rail | United States | ZTE | More info |
| Rock County | United States | JVL | More info |
| Rock Hill | United States | RKH | More info |
| Rockcliffe St | Canada | YRO | More info |
| Rockhampton | Australia | ROK | More info |
| Rockhampton Downs | Australia | RDA | More info |
| Rocky Mountain House | Canada | YRM | More info |
| Rocky Mount-Wilson | United States | RWI | More info |
| Rodrigues Is | Mauritius | RRG | More info |
| Rodriguez Ballon | Peru | AQP | More info |
| Rodriguez De Men | Peru | RIM | More info |
| Roebourne | Australia | RBU | More info |
| Rogers | United States | ROG | More info |
| Roi Et Airport | Thailand | ROI | More info |
| Rokeby | Australia | RKY | More info |
| Rokot | Indonesia | RKI | More info |
| Rolla National | United States | VIH | More info |
| Rollang Field | United States | RFK | More info |
| Rolpa | Nepal | RPA | More info |
| Roma | Australia | RMA | More info |
| Ronald Reagan National | United States | DCA | More info |
| Ronaldsway | United Kingdom | IOM | More info |
| Ronchi Dei Legionari | Italy | TRS | More info |
| Ronda | Spain | RRA | More info |
| Rondon | Colombia | RON | More info |
| Rondonopolis | Brazil | ROO | More info |
| Rongelap Island | Marshall Islands | RNP | More info |
| Rooikop | Namibia | WVB | More info |
| Rooke Field | United States | RFG | More info |
| Roosevelt | United States | ROL | More info |
| Roosevelt NAS | Puerto Rico | NRR | More info |
| Roper Bar | Australia | RPB | More info |
| Roper Valley | Australia | RPV | More info |
| Roros | Norway | RRS | More info |
| Rosario SPB | United States | RSJ | More info |
| Roscoe Turner | United States | CRX | More info |
| Roscommon County | United States | HTL | More info |
| Roseberth | Australia | RSB | More info |
| Rosecrans Memorial | United States | STJ | More info |
| Roseires | Sudan | RSS | More info |
| Rosella Plains | Australia | RLP | More info |
| Rosh Pina | Israel | RPN | More info |
| Rosh Pina | Namibia | RHN | More info |
| Rosita | Nicaragua | RFS | More info |
| Roskilde Airport | Denmark | RKE | More info |
| Ross Field | United States | BEH | More info |
| Ross River | Canada | XRR | More info |
| Rostov | Russian Federation | KRR | More info |
| Rostov | Russian Federation | ROV | More info |
| Rota | Northern Mariana Islands | ROP | More info |
| Roti | Indonesia | RTI | More info |
| Rotorua | New Zealand (Aotearoa) | ROT | More info |
| Rotterdam | Netherlands | RTM | More info |
| Rottnest Island | Australia | RTS | More info |
| Rotuma Island | Fiji | RTA | More info |
| Rotunda | United States | RTD | More info |
| Roumanieres | France | EGC | More info |
| Round Lake | Canada | ZRJ | More info |
| Roundup | United States | RPX | More info |
| Rourkela | India | RRK | More info |
| Rouses Point | United States | RSX | More info |
| Rousse | Bulgaria | ROU | More info |
| Rouyn-Noranda | Qu‚bec | YUY | More info |
| Rovaniemi | Finland | RVN | More info |
| Rovno | Ukraine | RWN | More info |
| Rowan Bay | United States | RWB | More info |
| Rowan County | United States | SRW | More info |
| Rowriah | India | JRH | More info |
| Roxas City | Philippines | RXS | More info |
| Roy Hill | Australia | RHL | More info |
| Roy Hurd Memorial | United States | MIF | More info |
| Royal Air Force Base | New Zealand (Aotearoa) | OHA | More info |
| Rubelsanto | Guatemala | RUV | More info |
| Ruben Berta | Brazil | URG | More info |
| Ruby | United States | RBY | More info |
| Rudra Mata | India | BHJ | More info |
| Rugao | China | RUG | More info |
| Ruhengeri | Rwanda | RHG | More info |
| Rukumkot | Nepal | RUK | More info |
| Rum Cay | Bahamas | RCY | More info |
| Rumginae | Papua New Guinea | RMN | More info |
| Rumjatar | Nepal | RUM | More info |
| Rundu | Namibia | NDU | More info |
| Rupert | United States | BYI | More info |
| Rupsi | India | RUP | More info |
| Rurrenabaque | Bolivia | RBQ | More info |
| Rurutu | French Polynesia | RUR | More info |
| Russell | United States | RSL | More info |
| Russian SPB | United States | RSH | More info |
| Ruston | United States | RSN | More info |
| Ruteng | Indonesia | RTG | More info |
| Ruti | Papua New Guinea | RUU | More info |
| Rutland | United States | RUT | More info |
| Rutland Plains | Australia | RTP | More info |
| Ruzyne | Czech Republic | PRG | More info |
| Ryan | United States | BTR | More info |
| Ryan Field | United States | HMT | More info |
| Ryazan | Russian Federation | RZN | More info |
| Rybinsk | Russian Federation | RYB | More info |
| Ryotsu Sado Is | Japan | SDO | More info |
| Ryumsjoen Aprt | Norway | RVK | More info |
| Rzhevka | Russian Federation (Russia) | RVH | More info |