| Abbreviation | Definition |
|---|---|
| GLT | Gladstone, Queensland, Australia |
| GLTN | Tchien, Liberia |
| GLV | Bolovin, Alaska USA |
| GLVA | Voinjama, Liberia |
| GLW | Glasgow Municipal Airport, Glasgow, Kentucky USA |
| GLX | Galela, Indonesia |
| GLY | Mount Goldsworthy, Western Australia, Australia |
| GLZ | Breda, Netherlands |
| GMA | Gemena, Congo |
| GMAA | Agadir-Inezgane Al Massira, Morocco |
| GMAT | Tan Tan-Plage Blanche, Morocco |
| GMAZ | Zagora, Morocco |
| GMB | Gambela, Ethiopia |
| GME | Gomel, Belarus |
| GMFA | Ouezzane, Morocco |
| GMFF | Fez-Saiss International Airpor, Morocco |
| GMFI | Ifrane, Morocco |
| GMFK | Er Rachidia, Morocco |
| GMFM | Meknes-Bassat, Morocco |
| GMFN | Nador-Taouim, Morocco |