| South Portland to Ruislip | 3,173.74 mi (5,107.64 km) |
| South Portland to Runcorn | 3,044.79 mi (4,900.12 km) |
| South Portland to Rushall | 3,090.10 mi (4,973.03 km) |
| South Portland to Rushden | 3,151.28 mi (5,071.49 km) |
| South Portland to Rustington | 3,188.28 mi (5,131.03 km) |
| South Portland to Rutherglen | 2,945.40 mi (4,740.16 km) |
| South Portland to Ryde | 3,163.14 mi (5,090.58 km) |
| South Portland to Rye | 3,235.61 mi (5,207.22 km) |
| South Portland to Ryhope | 3,069.72 mi (4,940.24 km) |
| South Portland to Saffron Walden | 3,191.05 mi (5,135.49 km) |
| South Portland to Saint Albans | 3,173.67 mi (5,107.52 km) |
| South Portland to Saint Andrews | 2,991.08 mi (4,813.67 km) |
| South Portland to Saint Austell | 3,020.49 mi (4,861.01 km) |
| South Portland to Saint Budeaux | 3,044.52 mi (4,899.68 km) |
| South Portland to Saint Helens | 3,042.10 mi (4,895.79 km) |
