| South Portland to Tutzing | 3,753.61 mi (6,040.86 km) |
| South Portland to Twist | 3,444.68 mi (5,543.67 km) |
| South Portland to Twistringen | 3,502.07 mi (5,636.04 km) |
| South Portland to Ubach-Palenberg | 3,454.32 mi (5,559.19 km) |
| South Portland to Uberherrn | 3,524.91 mi (5,672.79 km) |
| South Portland to Uberlingen | 3,671.27 mi (5,908.34 km) |
| South Portland to Ubstadt-Weiher | 3,605.89 mi (5,803.12 km) |
| South Portland to Ueckermunde | 3,677.64 mi (5,918.59 km) |
| South Portland to Uelzen | 3,570.52 mi (5,746.20 km) |
| South Portland to Uetersen | 3,516.51 mi (5,659.27 km) |
| South Portland to Uetze | 3,570.99 mi (5,746.95 km) |
| South Portland to Uhingen | 3,659.32 mi (5,889.11 km) |
| South Portland to Ulm | 3,684.86 mi (5,930.22 km) |
| South Portland to Unna | 3,499.64 mi (5,632.13 km) |
| South Portland to Unterfohring | 3,759.50 mi (6,050.33 km) |
