| Castelleone to Colchester | 608.67 mi (979.56 km) |
| Castelleone to Coleford | 720.82 mi (1,160.05 km) |
| Castelleone to Colne | 795.26 mi (1,279.85 km) |
| Castelleone to Colwyn Bay | 817.94 mi (1,316.35 km) |
| Castelleone to Congleton | 764.56 mi (1,230.45 km) |
| Castelleone to Conisbrough | 749.24 mi (1,205.79 km) |
| Castelleone to Connahs Quay | 793.88 mi (1,277.62 km) |
| Castelleone to Consett | 834.39 mi (1,342.81 km) |
| Castelleone to Conwy | 821.82 mi (1,322.60 km) |
| Castelleone to Cookstown | 973.15 mi (1,566.13 km) |
| Castelleone to Corby | 686.28 mi (1,104.47 km) |
| Castelleone to Corfe Mullen | 661.49 mi (1,064.57 km) |
| Castelleone to Corsham | 691.80 mi (1,113.35 km) |
| Castelleone to Coseley | 733.38 mi (1,180.26 km) |
| Castelleone to Cosham | 628.82 mi (1,011.99 km) |
