| Castelnaudary to Colchester | 594.38 mi (956.56 km) |
| Castelnaudary to Coleford | 622.69 mi (1,002.12 km) |
| Castelnaudary to Colne | 751.79 mi (1,209.89 km) |
| Castelnaudary to Colwyn Bay | 735.79 mi (1,184.14 km) |
| Castelnaudary to Congleton | 706.40 mi (1,136.84 km) |
| Castelnaudary to Conisbrough | 716.87 mi (1,153.68 km) |
| Castelnaudary to Connahs Quay | 721.35 mi (1,160.89 km) |
| Castelnaudary to Consett | 814.66 mi (1,311.07 km) |
| Castelnaudary to Conwy | 737.26 mi (1,186.50 km) |
| Castelnaudary to Cookstown | 874.99 mi (1,408.15 km) |
| Castelnaudary to Corby | 645.27 mi (1,038.46 km) |
| Castelnaudary to Corfe Mullen | 547.58 mi (881.24 km) |
| Castelnaudary to Corsham | 593.00 mi (954.35 km) |
| Castelnaudary to Coseley | 664.40 mi (1,069.25 km) |
| Castelnaudary to Cosham | 538.82 mi (867.15 km) |
