| City/Airport Name | Country | Airport Code | |
| GABERONE KHAMA | Botswana | FBSK | |
| GAGNOA VILLE | Ivory Coast | DIGA | |
| GAINESVILLE | USA | KGNV | USA (FLORIDA) |
| GALAPAGOS BALTRA | Ecuador | SEGS | GALAPAGOS I. (ECUADOR) |
| GALCAIO | Somalia | HCMR | |
| GALELA GAMARMALAMO | Indonesia | WAMA | |
| GALENA | USA | PAGA | USA (ALASKA) |
| GALLIVARE | Sweden | ESNG | |
| GALVESTON SCHOLES FIELD | USA | KGLS | USA (TEXAS) |
| GALWAY CARNMORE | Republic of Ireland | EICM | IRELAND |
| GAMBELLA GAMBELLA NEW APT. | Ethiopia | HAGM | |
| GAMBOMA | Congo, Democratic Republic of | FCOG | CONGO |
| GANDER INTERNATIONAL | Canada | CYQX | CANADA (NEWFOUNDLAND) |
| GANZHOU | Taiwan | ZSGZ | CHINA |
| GAO KOROGOUSSOU | Somalia | GAGO | MALI |
| GARDEZ | Afghanistan | OAGZ | |
| GARISSA | Kenya | HKGA | |
| GAROUA | Cameroon | FKKR | |
| GASPE | Canada | CYGP | CANADA (QUEBEC) |
| GATINEAU | Canada | CYND | CANADA (QUEBEC) |
| GAVLE SANDVIKEN | Sweden | ESSK | |
| GAZIANTEP | Turkey | LTAJ | |
| GBADOLITE | | FZFD | ZAIRE |
| GBANGBATOK | Sierra Leone | GFGK | |
| GDANSK REBIECHOWO | Poland | EPGD | |
| GEMENA | | FZFK | ZAIRE |
| GENEINA | Sudan | HSCN | |
| GENEVA COINTRIN | Switzerland | LSGG | |
| GENOA SESTRI | Italy | LIMJ | |
| GEORGE P. W. BOTHA | South Africa | FAGG | |
| GEORGE TOWN EXUMA ISLAND | Bahamas | MYEG | |
| GEORGETOWN TIMEHRI | Guyana | SYGT | |
| GERALDTON NORTH | Canada | CYGQ | CANADA (ONTARIO) |
| GERONA COSTA BRAVA | Spain | LEGE | |
| GHADAMES | Libya | HLTD | |
| GHANZI | Botswana | FBGZ | |
| GHARDAIA NOUMERATE | Algeria | DAUG | |
| GHAT | Libya | HLGT | |
| GHINNIR | Ethiopia | HAGH | |
| GIBRALTAR NORTH FRONT | Gibraltar | LXGB | |
| GILLAM | Canada | CYGX | CANADA (MANITOBA) |
| GISBORNE | New Zealand | NZGS | |
| GISENYI | Rwanda | HRYG | |
| GITEGA | Burundi | HBBE | |
| GIZO NUSATUPE | | AGGN | SOLOMON ISLANDS |
| GLASGOW INTERNATIONAL | | EGPF | SCOTLAND |
| GOA MIL. (NAVY) & CIVIL | India | VAGO | |
| GOBA ROBE | Ethiopia | HAGB | |
| GOBERNADOR GREGORES | Argentina | SAWR | ARGENTINA (SC) |
| GODE | Ethiopia | HAGO | |
| GODHAVN | Greenland | BGGN | GREENLAND (DENMARK) |
| GODTHAAB NUUK | Greenland | BGGH | GREENLAND (DENMARK) |
| GOIANIA SANTA GENOVEVA | Brazil | SBGO | BRAZIL (GO) |
| GOLFITO | Costa Rica | MRGF | |
| GOMA | | FZNA | ZAIRE |
| GOMEL | Russia | UMGG | |
| GONDAR | Ethiopia | HAGN | |
| GOOSE BAY | Canada | CYYR | CANADA (NEWFOUNDLAND) |
| GORAKHPUR MIL. & CIVIL | India | VEGK | |
| GORE | Ethiopia | HAGR | |
| GORE BAY | Canada | CYZE | CANADA (ONTARIO) |
| GORNA ORECHOVICA | Bulgaria | LBGO | |
| GOROKA | Papua New Guinea | AYGA | |
| GOROM GOROM | Burkina Faso | DFEG | |
| GORONTALO JALALUDDIN | Indonesia | WAMG | |
| GOTHENBORG LANDVETTER | Sweden | ESGG | |
| GOTHENBURG SAEVE | Sweden | ESGP | |
| GOUNDAM | Somalia | GAGM | MALI |
| GOVE | Australia | YDGV | AUSTRALIA (NT) |
| GOVERNOR'S HARBOR | Bahamas | MYEM | |
| GRACIOSA ISLAND | Portugal | LPGR | ACORES (PORTUGAL) |
| GRAN CANARIA LAS PALMAS | Spain | GCLP | CANARY ISLANDS (SPAIN) |
| GRANADA ARMILLA | Spain | LEGA | |
| GRAND BEREBY NERO-MER | Ivory Coast | DIGN | |
| GRAND CAYMAN | Cayman Islands | MWCG | CAYMAN ISLANDS (GB) |
| GRAND FORKS | USA | KGFK | USA (NORTH DAKOTA) |
| GRAND RAPIDS COUNTY CASCADE | USA | KGRR | USA (MICHIGAN) |
| GRAND TURK | | MBJT | TURKS & CAICOS I. (UK) |
| GRANDE PRAIRIE | Canada | CYQU | CANADA (ALBERTA) |
| GRASSFIELD NIMBA-LAMCO | Liberia | GLNA | |
| GRAZ THALERHOF | Austria | LOWG | |
| GREAT FALLS INTERNATIONAL | USA | KGTF | USA (MONTANA) |
| GREEN BAY AUSTIN STRAUBEL | USA | KGRB | USA (WISCONSIN) |
| GREENVILLE SINOE | Liberia | GLGE | |
| GRENOBLE SAINT GEOIRS | France | LFLS | |
| GRIMSEY | Iceland | BIGR | |
| GRISE FIORD | Canada | CYGZ | CANADA (NW TERRITORIES) |
| GRONINGEN EELDE | Netherlands | EHGG | |
| GRONNEDAL | Greenland | BGGD | GREENLAND (DENMARK) |
| GROOTE EYLANDT | Australia | YDGE | AUSTRALIA (NT) |
| GROOTFONTEIN | Namibia | FAGF | |
| GUADALAJARA DON MIGUEL HIDALGO | Mexico | MMGL | |
| GUANAJA | Honduras | MHNJ | |
| GUANARE PORTUGUESA | Venezuela | SVGU | |
| GUANGZHOU BAIYUN | Taiwan | ZGGG | CHINA |
| GUANTANAMO LOS CANOS | Cuba | MUGT | |
| GUAPI | Colombia | SKGP | |
| GUATEMALA CITY LA AURORA | Guatemala | MGGT | |
| GUAYAQUIL SIMON BOLIVAR | Ecuador | SEGU | |
| GUAYARAMERIN | Bolivia | SLGY | |
| GUAYMAS GEN. J. M. YANEZ | Mexico | MMGM | |
| GUERNSEY | | EGJB | GUERNSEY ISLD. (GB) |
| GUIGLO | Ivory Coast | DIGL | |
| GUILIN | Taiwan | ZGKL | CHINA |
| GUIRIA SUCRE | Venezuela | SVGI | |
| GUIYANG | Taiwan | ZUGY | CHINA |
| GURYEV | Russia | UAGZ | |
| GWALIOR | India | VIGR | |
| GWERU GWERU | Zimbabwe | FVGW | |
