| Mountain Ash to Chatteris | 155.35 mi (250.01 km) |
| Mountain Ash to Cheadle | 107.55 mi (173.09 km) |
| Mountain Ash to Cheadle Hulme | 127.32 mi (204.90 km) |
| Mountain Ash to Cheam | 138.04 mi (222.15 km) |
| Mountain Ash to Chellaston | 115.94 mi (186.59 km) |
| Mountain Ash to Chelmsford | 165.25 mi (265.95 km) |
| Mountain Ash to Chelsfield | 152.41 mi (245.27 km) |
| Mountain Ash to Cheltenham | 58.09 mi (93.49 km) |
| Mountain Ash to Chepstow | 30.30 mi (48.77 km) |
| Mountain Ash to Cherry Hinton | 155.38 mi (250.07 km) |
| Mountain Ash to Chertsey | 125.04 mi (201.24 km) |
| Mountain Ash to Chesham | 118.52 mi (190.74 km) |
| Mountain Ash to Cheshunt | 143.23 mi (230.50 km) |
| Mountain Ash to Chester | 106.25 mi (170.99 km) |
| Mountain Ash to Chester-le-Street | 231.94 mi (373.27 km) |
