| South Portland to Ruggell | 3,703.15 mi (5,959.64 km) |
| South Portland to Schaan | 3,704.69 mi (5,962.12 km) |
| South Portland to Schellenberg | 3,704.13 mi (5,961.22 km) |
| South Portland to Triesen | 3,707.82 mi (5,967.16 km) |
| South Portland to Triesenberg | 3,707.65 mi (5,966.89 km) |
| South Portland to Vaduz | 3,705.99 mi (5,964.21 km) |
| South Portland to Alytus | 4,010.84 mi (6,454.83 km) |
| South Portland to Anyksciai | 4,005.12 mi (6,445.62 km) |
| South Portland to Aukstieji Paneriai | 4,042.71 mi (6,506.11 km) |
| South Portland to Birstonas | 4,002.56 mi (6,441.50 km) |
| South Portland to Birzai | 3,969.49 mi (6,388.27 km) |
| South Portland to Druskininkai | 4,022.02 mi (6,472.81 km) |
| South Portland to Elektrenai | 4,017.64 mi (6,465.77 km) |
| South Portland to Gargzdai | 3,874.64 mi (6,235.63 km) |
| South Portland to Garliava | 3,989.60 mi (6,420.64 km) |
