| Rhondda to Caldicot | 28.73 mi (46.24 km) |
| Rhondda to Calne | 61.95 mi (99.70 km) |
| Rhondda to Cam | 45.53 mi (73.27 km) |
| Rhondda to Camberley | 116.76 mi (187.90 km) |
| Rhondda to Camborne | 126.96 mi (204.32 km) |
| Rhondda to Cambridge | 156.13 mi (251.27 km) |
| Rhondda to Cambuslang | 292.01 mi (469.95 km) |
| Rhondda to Canford Cliffs | 90.33 mi (145.37 km) |
| Rhondda to Cannock | 94.83 mi (152.61 km) |
| Rhondda to Canterbury | 195.02 mi (313.85 km) |
| Rhondda to Carlisle | 227.13 mi (365.53 km) |
| Rhondda to Carlton Colville | 224.67 mi (361.57 km) |
| Rhondda to Carluke | 285.04 mi (458.73 km) |
| Rhondda to Carnoustie | 338.74 mi (545.15 km) |
| Rhondda to Carshalton | 140.87 mi (226.71 km) |
