| Houston to Gavardo | 5,464.88 mi (8,794.88 km) |
| Houston to Gavirate | 5,384.41 mi (8,665.38 km) |
| Houston to Gavorrano | 5,582.40 mi (8,984.01 km) |
| Houston to Gela | 5,954.25 mi (9,582.43 km) |
| Houston to Gemona del Friuli | 5,548.11 mi (8,928.82 km) |
| Houston to Genoa | 5,444.36 mi (8,761.86 km) |
| Houston to Genzano di Roma | 5,704.82 mi (9,181.02 km) |
| Houston to Gessate | 5,424.73 mi (8,730.26 km) |
| Houston to Ghedi | 5,465.09 mi (8,795.20 km) |
| Houston to Giarre | 5,969.51 mi (9,606.99 km) |
| Houston to Giaveno | 5,355.38 mi (8,618.65 km) |
| Houston to Giffoni Valle Piana | 5,839.38 mi (9,397.58 km) |
| Houston to Ginosa | 5,925.49 mi (9,536.15 km) |
| Houston to Gioia del Colle | 5,920.95 mi (9,528.85 km) |
| Houston to Gioia Tauro | 5,972.95 mi (9,612.53 km) |
