| Cadca to Colchester | 799.46 mi (1,286.60 km) |
| Cadca to Coleford | 949.03 mi (1,527.32 km) |
| Cadca to Colne | 945.27 mi (1,521.26 km) |
| Cadca to Colwyn Bay | 1,001.52 mi (1,611.79 km) |
| Cadca to Congleton | 939.56 mi (1,512.08 km) |
| Cadca to Conisbrough | 902.47 mi (1,452.39 km) |
| Cadca to Connahs Quay | 974.55 mi (1,568.39 km) |
| Cadca to Consett | 946.58 mi (1,523.38 km) |
| Cadca to Conwy | 1,006.79 mi (1,620.26 km) |
| Cadca to Cookstown | 1,136.03 mi (1,828.26 km) |
| Cadca to Corby | 871.18 mi (1,402.03 km) |
| Cadca to Corfe Mullen | 923.73 mi (1,486.60 km) |
| Cadca to Corsham | 930.16 mi (1,496.96 km) |
| Cadca to Coseley | 929.41 mi (1,495.75 km) |
| Cadca to Cosham | 882.04 mi (1,419.51 km) |
