| Swansea to Chatteris | 4,173.92 mi (6,717.27 km) |
| Swansea to Cheadle | 4,081.05 mi (6,567.82 km) |
| Swansea to Cheadle Hulme | 4,062.31 mi (6,537.66 km) |
| Swansea to Cheam | 4,197.11 mi (6,754.60 km) |
| Swansea to Chellaston | 4,105.20 mi (6,606.68 km) |
| Swansea to Chelmsford | 4,212.28 mi (6,779.01 km) |
| Swansea to Chelsfield | 4,210.22 mi (6,775.70 km) |
| Swansea to Cheltenham | 4,109.18 mi (6,613.09 km) |
| Swansea to Chepstow | 4,093.02 mi (6,587.08 km) |
| Swansea to Cherry Hinton | 4,186.73 mi (6,737.89 km) |
| Swansea to Chertsey | 4,184.68 mi (6,734.60 km) |
| Swansea to Chesham | 4,170.90 mi (6,712.41 km) |
| Swansea to Cheshunt | 4,193.39 mi (6,748.62 km) |
| Swansea to Chester | 4,041.04 mi (6,503.42 km) |
| Swansea to Chester-le-Street | 4,043.96 mi (6,508.13 km) |
