| Westminster to Rhondda | 141.24 mi (227.30 km) |
| Westminster to Rhosllanerchrugog | 161.83 mi (260.44 km) |
| Westminster to Rhyl | 189.17 mi (304.43 km) |
| Westminster to Rhymney | 136.23 mi (219.24 km) |
| Westminster to Richmond | 7.62 mi (12.26 km) |
| Westminster to Rickmansworth | 17.32 mi (27.88 km) |
| Westminster to Ripley | 120.16 mi (193.37 km) |
| Westminster to Ripon | 191.61 mi (308.37 km) |
| Westminster to Risca | 127.22 mi (204.74 km) |
| Westminster to Rochdale | 169.32 mi (272.50 km) |
| Westminster to Rochester | 28.59 mi (46.01 km) |
| Westminster to Rock Ferry | 177.42 mi (285.52 km) |
| Westminster to Rogerstone | 125.57 mi (202.09 km) |
| Westminster to Romford | 14.69 mi (23.65 km) |
| Westminster to Romsey | 68.47 mi (110.19 km) |
