| Swansea to Chesterfield | 4,094.98 mi (6,590.24 km) |
| Swansea to Chichester | 4,190.98 mi (6,744.72 km) |
| Swansea to Chigwell | 4,199.95 mi (6,759.17 km) |
| Swansea to Childwall | 4,035.71 mi (6,494.85 km) |
| Swansea to Chilwell | 4,111.48 mi (6,616.79 km) |
| Swansea to Chingford | 4,197.50 mi (6,755.23 km) |
| Swansea to Chippenham | 4,120.13 mi (6,630.71 km) |
| Swansea to Chislehurst | 4,206.53 mi (6,769.75 km) |
| Swansea to Choppington | 4,034.97 mi (6,493.66 km) |
| Swansea to Chorley | 4,037.97 mi (6,498.49 km) |
| Swansea to Chorleywood | 4,176.70 mi (6,721.75 km) |
| Swansea to Christchurch | 4,154.88 mi (6,686.63 km) |
| Swansea to Churchdown | 4,105.76 mi (6,607.59 km) |
| Swansea to Cinderford | 4,094.68 mi (6,589.74 km) |
| Swansea to Cirencester | 4,118.28 mi (6,627.73 km) |
