| Abbreviation | Definition |
|---|---|
| GXF | Seiyun, Republic of Yemen |
| GXG | Negage, Angola |
| GXQ | Coyhaique, Chile |
| GXX | Yagoua, Republic of Cameroon |
| GXY | Greeley, Colorado USA |
| GYA | Guayaramerin, Bolivia |
| GYE | Guayaquil, Equador |
| GYGM | Gimli Industrial Park Airport, Canada |
| GYI | Gisenyi, Rwanda |
| GYL | Argyle, Western Australia, Australia |
| GYM | Guaymas, Mexico |
| GYN | Goiania, GO, Brazil |
| GYP | Gympie, Queensland, Australia |
| GYR | Goodyear, Arizona USA |
| GYY | Chicago Gary Regional Airport, Gary, Indiana USA |
| GZI | Ghazni, Afghanistan |
| GZM | Gozo, Malta |
| GZO | Gizo, Solomon Islands |
| GZT | Gaziantep, Turkey |
| H19 | Bowling Green Municipal Airport, Tarrants, Missouri USA |