| South Portland to Gottmadingen | 3,656.19 mi (5,884.08 km) |
| South Portland to Graben-Neudorf | 3,600.58 mi (5,794.57 km) |
| South Portland to Grafelfing | 3,752.77 mi (6,039.51 km) |
| South Portland to Grafenhainichen | 3,678.69 mi (5,920.28 km) |
| South Portland to Grafing bei Munchen | 3,776.89 mi (6,078.31 km) |
| South Portland to Grefrath | 3,451.81 mi (5,555.14 km) |
| South Portland to Greifswald | 3,643.09 mi (5,862.99 km) |
| South Portland to Greiz | 3,702.54 mi (5,958.66 km) |
| South Portland to Grenzach-Wyhlen | 3,615.49 mi (5,818.57 km) |
| South Portland to Greven | 3,481.14 mi (5,602.36 km) |
| South Portland to Grevenbroich | 3,468.38 mi (5,581.82 km) |
| South Portland to Grevesmuhlen | 3,567.51 mi (5,741.35 km) |
| South Portland to Griesheim | 3,582.50 mi (5,765.47 km) |
| South Portland to Grimma | 3,704.71 mi (5,962.16 km) |
| South Portland to Grimmen | 3,629.77 mi (5,841.55 km) |
