| South Portland to Twickenham | 3,180.51 mi (5,118.53 km) |
| South Portland to Tyldesley | 3,052.06 mi (4,911.81 km) |
| South Portland to Tynemouth | 3,064.99 mi (4,932.63 km) |
| South Portland to Uckfield | 3,209.38 mi (5,165.00 km) |
| South Portland to Ulverston | 3,015.20 mi (4,852.49 km) |
| South Portland to Upminster | 3,201.96 mi (5,153.05 km) |
| South Portland to Upton | 3,029.48 mi (4,875.48 km) |
| South Portland to Urmston | 3,056.98 mi (4,919.74 km) |
| South Portland to Usworth | 3,061.51 mi (4,927.03 km) |
| South Portland to Uttoxeter | 3,088.19 mi (4,969.96 km) |
| South Portland to Uxbridge | 3,172.72 mi (5,106.00 km) |
| South Portland to Verwood | 3,130.08 mi (5,037.37 km) |
| South Portland to Wakefield | 3,087.40 mi (4,968.69 km) |
| South Portland to Walkden | 3,054.59 mi (4,915.89 km) |
| South Portland to Wallasey | 3,031.91 mi (4,879.39 km) |
