| South Portland to Gernsbach | 3,606.24 mi (5,803.68 km) |
| South Portland to Gernsheim | 3,582.64 mi (5,765.69 km) |
| South Portland to Gerstetten | 3,679.37 mi (5,921.38 km) |
| South Portland to Gersthofen | 3,720.30 mi (5,987.24 km) |
| South Portland to Gerstungen | 3,609.32 mi (5,808.64 km) |
| South Portland to Gescher | 3,461.24 mi (5,570.32 km) |
| South Portland to Geseke | 3,528.89 mi (5,679.20 km) |
| South Portland to Gevelsberg | 3,491.67 mi (5,619.30 km) |
| South Portland to Giengen an der Brenz | 3,688.52 mi (5,936.09 km) |
| South Portland to Giesen | 3,566.30 mi (5,739.41 km) |
| South Portland to Giessen | 3,565.44 mi (5,738.01 km) |
| South Portland to Gifhorn | 3,583.45 mi (5,767.00 km) |
| South Portland to Gilching | 3,747.85 mi (6,031.59 km) |
| South Portland to Ginsheim-Gustavsburg | 3,569.70 mi (5,744.87 km) |
| South Portland to Gladbeck | 3,470.31 mi (5,584.92 km) |
