| City | Country |
|---|---|
| Gorzow Wielkopolski | Poland |
| Gyumri | Armenia |
| Gapan | Philippines |
| Gagnoa | Côte d'Ivoire |
| Guelma | Algeria |
| Ghazipur | India |
| Guarapari | Brazil |
| Guelmim | Morocco |
| Gottingen | Germany |
| Ghardaia | Algeria |
| Gudivada | India |
| Guaratingueta | Brazil |
| Gabes | Tunisia |
| Giyon | Ethiopia |
| Guiguinto | Philippines |
| Guadalajara de Buga | Colombia |
| Guanabacoa | Cuba |
| Gafsa | Tunisia |
| Genhe | China |
| Glan | Philippines |
| Gualeguaychu | Argentina |
| Granada | Nicaragua |
| Girona | Spain |
| Gillingham | United Kingdom |
| Ginowan | Japan |
| Guihulngan | Philippines |
| Gutersloh | Germany |
| Gangtok | India |
| Galle | Sri Lanka |
| Guercif | Morocco |
| Glyfada | Greece |
| Galway | Ireland |
| Garissa | Kenya |
| Godawari | Nepal |
| Gladbeck | Germany |
| Gavle | Sweden |
| Gouda | Netherlands |
| Gosport | United Kingdom |
| Grays | United Kingdom |
| Gravesend | United Kingdom |
| Givatayim | Israel |
| Gardez | Afghanistan |
| Georgiyevsk | Russia |
| Guaynabo | Puerto Rico |
| Guamuchil | Mexico |
| Granollers | Spain |
| Goz-Beida | Chad |
| Gorno-Altaysk | Russia |
| Giurgiu | Romania |
| Gaalkacyo | Somalia |