| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| GCI (GUERNSEY) | airport | Guernsey | 49.43 | -2.60 | 336 | 0 | |
| GUERNSEY | airport | Guernsey | 49.43 | -2.60 | 336 | 0 | |
| Giffoine | city | Guernsey | 49.71 | -2.23 | 0 | 5638 | |
| Girouette | city | Guernsey | 49.45 | -2.63 | 141 | 18698 | |
| Goubeys | city | Guernsey | 49.48 | -2.57 | 32 | 26127 | |
| Grand Fort | city | Guernsey | 49.48 | -2.54 | 55 | 23247 | |
| Grand Rocq | city | Guernsey | 49.48 | -2.58 | 26 | 25573 | |
| Grand Roques | city | Guernsey | 49.48 | -2.58 | 26 | 25573 | |
| Grande Roque | city | Guernsey | 49.48 | -2.58 | 26 | 25573 | |
| Grandes Capelles | city | Guernsey | 49.48 | -2.55 | 29 | 27970 | |
| Grandes Mielles | city | Guernsey | 49.48 | -2.58 | 32 | 29403 | |
| Grandes Rocques | city | Guernsey | 49.48 | -2.58 | 26 | 25573 | |
| Groignêt | city | Guernsey | 49.46 | -2.60 | 229 | 31648 |