Port name - airport
| Type | Name | Country |
| Airport | GARDEN CITY (GCK) | USA |
| Airport | GARY (GYY) | USA |
| Airport | GILLETTE (GCC) | USA |
| Airport | GLASGOW (GGW) | USA |
| Airport | GLENDIVE (GDV) | USA |
| Airport | GOLOVIN (GLV) | USA |
| Airport | GOODLAND (GLD) | USA |
| Airport | GRAND CANYON (GCN) | USA |
| Airport | GRAND FORKS (GFK) | USA |
| Airport | GRAND ISLAND (GRI) | USA |
| Airport | GRAND JUNCTION (GJT) | USA |
| Airport | GRAND RAPIDS (GRR) | USA |
| Airport | GREAT FALLS (GTF) | USA |
| Airport | KWETHLUK | USA |
| Airport | KASIGLUK | USA |
| Airport | GREEN BAY (GRB) | USA |
| Airport | GREENBRIER (LWB) | USA |
| Airport | GREENSBORO / HIGH POINT (GSO) | USA |
| Airport | HOUSTON | USA |
| Airport | HOLLIS | USA |