| Houston to Gaeta | 5,761.10 mi (9,271.60 km) |
| Houston to Gaggiano | 5,413.35 mi (8,711.95 km) |
| Houston to Galatina | 5,999.06 mi (9,654.56 km) |
| Houston to Galatone | 5,995.55 mi (9,648.91 km) |
| Houston to Galbiate | 5,413.75 mi (8,712.58 km) |
| Houston to Gallarate | 5,394.03 mi (8,680.85 km) |
| Houston to Galliate | 5,396.63 mi (8,685.03 km) |
| Houston to Gallipoli | 5,996.32 mi (9,650.15 km) |
| Houston to Gambettola | 5,597.72 mi (9,008.65 km) |
| Houston to Gambolo | 5,411.43 mi (8,708.86 km) |
| Houston to Garbagnate Milanese | 5,409.17 mi (8,705.22 km) |
| Houston to Gardone Val Trompia | 5,450.90 mi (8,772.37 km) |
| Houston to Garlasco | 5,415.68 mi (8,715.69 km) |
| Houston to Gassino Torinese | 5,372.41 mi (8,646.05 km) |
| Houston to Gatteo | 5,600.42 mi (9,013.01 km) |
