| Swansea to Rhondda | 4,064.76 mi (6,541.60 km) |
| Swansea to Rhosllanerchrugog | 4,039.83 mi (6,501.49 km) |
| Swansea to Rhyl | 4,015.06 mi (6,461.61 km) |
| Swansea to Rhymney | 4,065.97 mi (6,543.55 km) |
| Swansea to Richmond | 4,190.66 mi (6,744.22 km) |
| Swansea to Rickmansworth | 4,178.76 mi (6,725.06 km) |
| Swansea to Ripley | 4,101.10 mi (6,600.09 km) |
| Swansea to Ripon | 4,065.75 mi (6,543.20 km) |
| Swansea to Risca | 4,077.76 mi (6,562.52 km) |
| Swansea to Rochdale | 4,056.74 mi (6,528.69 km) |
| Swansea to Rochester | 4,224.05 mi (6,797.96 km) |
| Swansea to Rock Ferry | 4,031.52 mi (6,488.10 km) |
| Swansea to Rogerstone | 4,079.71 mi (6,565.66 km) |
| Swansea to Romford | 4,205.50 mi (6,768.10 km) |
| Swansea to Romsey | 4,158.26 mi (6,692.08 km) |
