| Caldicot to Rhosllanerchrugog | 98.94 mi (159.23 km) |
| Caldicot to Rhyl | 123.43 mi (198.64 km) |
| Caldicot to Rhymney | 25.65 mi (41.28 km) |
| Caldicot to Richmond | 105.65 mi (170.03 km) |
| Caldicot to Rickmansworth | 98.01 mi (157.73 km) |
| Caldicot to Ripley | 115.65 mi (186.12 km) |
| Caldicot to Ripon | 183.24 mi (294.90 km) |
| Caldicot to Risca | 14.72 mi (23.68 km) |
| Caldicot to Rochdale | 141.91 mi (228.38 km) |
| Caldicot to Rochester | 140.59 mi (226.25 km) |
| Caldicot to Rock Ferry | 123.60 mi (198.92 km) |
| Caldicot to Rogerstone | 13.07 mi (21.04 km) |
| Caldicot to Romford | 125.76 mi (202.39 km) |
| Caldicot to Romsey | 68.26 mi (109.85 km) |
| Caldicot to Ross on Wye | 23.37 mi (37.61 km) |
