| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| GCA (Guacamayas Airport) | airport | 2.28 | -74.95 | 1500 | 0 | ||
| GCC (GILLETTE CAMPBELL CO) | airport | United States | 44.35 | -105.54 | 4365 | 0 | |
| GCFV (FUERTEVENTURA) | airport | Spain | 28.45 | -13.86 | 83 | 0 | |
| GCGM (LA GOMERA) | airport | Spain | 28.03 | -17.21 | 718 | 0 | |
| GCGO (San Sebastián De La Gomera Heliport) | airport | 28.10 | -17.10 | 1 | 0 | ||
| GCH (GACHSARAN) | airport | Iran | 30.34 | 50.83 | 2414 | 0 | |
| GCHI (HIERRO) | airport | Spain | 27.81 | -17.89 | 103 | 0 | |
| GCHU (Hospital Universitario De Canarias Heliport) | airport | 28.46 | -16.29 | 1080 | 0 | ||
| GCI (GUERNSEY) | airport | Guernsey | 49.43 | -2.60 | 336 | 0 | |
| GCJ (GRAND CENTRAL) | airport | South Africa | -25.99 | 28.14 | 5325 | 0 | |
| GCK (GARDEN CITY RGNL) | airport | United States | 37.93 | -100.72 | 2891 | 0 | |
| GCLA (LA PALMA) | airport | Spain | 28.63 | -17.76 | 107 | 0 | |
| GCLB (El Berriel Aeroc Airport) | airport | 27.78 | -15.51 | 20 | 0 | ||
| GCLP (GRAN CANARIA) | airport | Spain | 27.93 | -15.39 | 78 | 0 | |
| GCM (OWEN ROBERTS INTL) | airport | Cayman Islands | 19.29 | -81.36 | 8 | 0 | |
| GCN (GRAND CANYON NATL PARK) | airport | United States | 35.95 | -112.15 | 6609 | 0 | |
| GCRR (LANZAROTE) | airport | Spain | 28.95 | -13.61 | 47 | 0 | |
| GCTS (TENERIFE SUR) | airport | Spain | 28.04 | -16.57 | 209 | 0 | |
| GCV (Gravatai Airport) | airport | -29.95 | -50.99 | 25 | 0 | ||
| GCW (GRAND CANYON WEST) | airport | United States | 35.99 | -113.82 | 4825 | 0 | |
| GCXO (TENERIFE NORTE) | airport | Spain | 28.48 | -16.34 | 2073 | 0 | |
| GCY (GREENEVILLE GREENE CO MUNI) | airport | United States | 36.19 | -82.82 | 1608 | 0 |