| South Portland to Ross on Wye | 3,078.91 mi (4,955.03 km) |
| South Portland to Rossington | 3,108.28 mi (5,002.29 km) |
| South Portland to Rosyth | 2,971.86 mi (4,782.75 km) |
| South Portland to Rotherham | 3,097.54 mi (4,985.01 km) |
| South Portland to Rothwell | 3,086.54 mi (4,967.31 km) |
| South Portland to Rottingdean | 3,206.25 mi (5,159.96 km) |
| South Portland to Rowley Regis | 3,088.86 mi (4,971.05 km) |
| South Portland to Royal Leamington Spa | 3,113.55 mi (5,010.78 km) |
| South Portland to Royal Tunbridge Wells | 3,212.25 mi (5,169.62 km) |
| South Portland to Royal Wootton Bassett | 3,114.94 mi (5,013.01 km) |
| South Portland to Royston | 3,090.34 mi (4,973.42 km) |
| South Portland to Royston | 3,179.90 mi (5,117.55 km) |
| South Portland to Royton | 3,064.76 mi (4,932.26 km) |
| South Portland to Rugby | 3,123.06 mi (5,026.08 km) |
| South Portland to Rugeley | 3,087.82 mi (4,969.36 km) |
