| Abbreviation | Definition |
|---|---|
| GPB | Guarapuava, PR, Brazil |
| GPI | Guapi, Colombia |
| GPL | Guapiles, Costa Rica |
| GPN | Garden Point, Northern Territory, Australia |
| GPT | Gulfport/ Biloxi, Mississippi USA |
| GPZ | Gordon Newstrom Airport, Grand Rapids, Minnesota, USA ( Grand Rapids, Michigan, is GRR) |
| GQNA | Aioun el Atrouss, Mauritania |
| GQNB | Boutilimit, Mauritania |
| GQNC | Tichitt, Mauritania |
| GQND | Tidjikja, Mauritania |
| GQNE | Boghe, Mauritania |
| GQNF | Kiffa, Mauritania |
| GQNI | Nema, Mauritania |
| GQNJ | Akjoujt, Mauritania |
| GQNK | Kaedi, Mauritania |
| GQNL | Moudjeria-Letfotar, Mauritania |
| GQNM | Timbedra-Dahara, Mauritania |
| GQNN | Nouakchott, Mauritania |
| GQNR | Rosso, Mauritania |
| GQNS | Selibaby, Mauritania |