| Xai Xai | Mozambique | VJB | More info |
| Xangongo | Angola | XGN | More info |
| Xanxere | Brazil | AXE | More info |
| Xayabury | Laos | XAY | More info |
| Xiamen | China | XMN | More info |
| Xiangfan | China | XFN | More info |
| Xianyang | China | XIY | More info |
| Xichang | China | XIC | More info |
| Xieng Khouang | Laos | XKH | More info |
| Xienglom | Laos | XIE | More info |
| Xiguan | China | SIA | More info |
| Xilinhot | China | XIL | More info |
| Xin Hui Ferry | China | ZBZ | More info |
| Xingcheng | China | XEN | More info |
| Xingning | China | XIN | More info |
| Xingtai | China | XNT | More info |
| Xingyi | China | ACX | More info |
| Xining | China | XNN | More info |
| Xoxocotlan | Mexico | OAX | More info |
| Xuzhou | China | XUZ | More info |