| Portland to Grabels | 5,455.65 mi (8,780.03 km) |
| Portland to Gradignan | 5,263.42 mi (8,470.65 km) |
| Portland to Grand-Couronne | 5,059.01 mi (8,141.68 km) |
| Portland to Grande-Synthe | 5,002.65 mi (8,050.99 km) |
| Portland to Granville | 5,014.55 mi (8,070.13 km) |
| Portland to Grasse | 5,541.96 mi (8,918.92 km) |
| Portland to Graulhet | 5,396.66 mi (8,685.08 km) |
| Portland to Gravelines | 4,999.57 mi (8,046.03 km) |
| Portland to Grenade | 5,375.53 mi (8,651.08 km) |
| Portland to Grenoble | 5,422.75 mi (8,727.08 km) |
| Portland to Gretz-Armainvilliers | 5,140.04 mi (8,272.10 km) |
| Portland to Grigny | 5,135.29 mi (8,264.46 km) |
| Portland to Grigny | 5,372.29 mi (8,645.86 km) |
| Portland to Groslay | 5,115.86 mi (8,233.19 km) |
| Portland to Guebwiller | 5,305.01 mi (8,537.59 km) |
