International airports, regional fields and GA aerodromes — the places every mission starts and ends.

| Company | Type | Location | Codes |
|---|---|---|---|
| Greenwoods Airfield | aerodrome | Alburgh, United States | — |
| Greenwood Valley Ranch Airport | aerodrome | United States | — |
| Greer Airport | private airstrip | United States | — |
| Greer Miller Landing Strip | aerodrome | United States | — |
| Gregg Airport | aerodrome | United States | — |
| Greggs Number 1 Airport | aerodrome | United States | — |
| Greg'n Sage Airport | aerodrome | United States | — |
| Gregorio Luperón International Airport | international | Dominican Republic | IATA POP · ICAO MDPP |
| Gregory Downs Airport | international | Australia | IATA GGD · ICAO YGDS |
| Gregory Lake SPB | international | Sri Lanka | IATA NUA |
| Gregory Municipal Airport | aerodrome | United States | — |
aerodrome 30,878international 8,351military airfield 1,867private airstrip 1,800heliport 555regional 460
United States 15,232Brazil 2,982Australia 2,025Canada 1,765France 1,355Russia 1,265United Kingdom 1,109South Africa 938Germany 879Colombia 835Italy 718Indonesia 681Argentina 621Ukraine 570Papua New Guinea 536China 489Mexico 478Venezuela 468Spain 414India 411Namibia 376Chile 358Congo - Kinshasa 356South Sudan 331Poland 327Czechia 277New Zealand 250Kenya 242Sweden 222Japan 195Philippines 188Norway 179Botswana 151Portugal
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| Gregory Simmons Memorial Airport | aerodrome | Cisco, United States | ICAO KGZN |
| Gregory Springs Airport | aerodrome | Australia | — |
| Greg Post Farms Airport | aerodrome | Mapleton, United States | — |
| Greg's Flying Service Airport | aerodrome | United States | — |
| Grells Airfield | private airstrip | United States | — |
| Gremyach'ye Airfield | aerodrome | Russia | — |
| Grenaa Flyveplads | aerodrome | Denmark | ICAO EKGR |
| Grenada Municipal Airport | aerodrome | United States | ICAO KGNF |
| Grenchen Airport | regional | Switzerland | ICAO LSZG |
| Grendra Airfield | aerodrome | United States | — |
| Grenfell Airport | aerodrome | Canada | — |
| Greuter Field Airport | aerodrome | United States | — |
| Grey Mountain Airport | aerodrome | United States | — |
| Greymouth Airport | international | New Zealand | IATA GMN · ICAO NZGM |
| Greytown Airport | aerodrome | South Africa | ICAO FAGY |
| Gribachi | aerodrome | Belarus | — |
| Grider Field | international | Pine Bluff, United States | IATA PBF · ICAO KPBF |
| Griekwastad Airport | aerodrome | South Africa | — |
| Grier Airport | aerodrome | United States | — |
| Grieser Airport | aerodrome | United States | — |
| Grieve Field | aerodrome | United States | — |
| Griffin Agricultural Airport | aerodrome | United States | — |
| Griffin Airport | aerodrome | United States | — |
| Griffin Field | aerodrome | United States | — |
| Griffin Field | aerodrome | Levant, United States | — |
| Griffins Farm Airstrip | aerodrome | United Kingdom | — |
| Griffin/Sloas Airport | aerodrome | United States | — |
| Griffin-Spalding County Airport | aerodrome | United States | — |
| Griffins Peace River Ranch Airport | aerodrome | United States | — |
| Griffiss International Airport | international | United States | IATA RME · ICAO KRME |
| Griffith Airport | international | Australia | IATA GFF · ICAO YGTH |
| Griffith Field | aerodrome | United States | — |
| Griffith-Merrillville Airport | aerodrome | Griffith, United States | — |
| Griffith Ranch Airport | aerodrome | United States | — |
| Griffith RLA Airport | aerodrome | United States | — |
| Grigg Farm Airport | aerodrome | United States | — |
| Grimbergen Lint | aerodrome | Belgium | ICAO EBGB |
| Grimes Airport | aerodrome | United States | — |
| Grimes Farm Strip | aerodrome | United States | — |