| Ub to Colchester | 1,017.30 mi (1,637.18 km) |
| Ub to Coleford | 1,156.22 mi (1,860.75 km) |
| Ub to Colne | 1,189.10 mi (1,913.66 km) |
| Ub to Colwyn Bay | 1,232.40 mi (1,983.36 km) |
| Ub to Congleton | 1,171.96 mi (1,886.09 km) |
| Ub to Conisbrough | 1,143.01 mi (1,839.50 km) |
| Ub to Connahs Quay | 1,205.76 mi (1,940.48 km) |
| Ub to Consett | 1,206.43 mi (1,941.56 km) |
| Ub to Conwy | 1,237.22 mi (1,991.11 km) |
| Ub to Cookstown | 1,380.63 mi (2,221.91 km) |
| Ub to Corby | 1,095.83 mi (1,763.57 km) |
| Ub to Corfe Mullen | 1,112.12 mi (1,789.78 km) |
| Ub to Corsham | 1,131.39 mi (1,820.79 km) |
| Ub to Coseley | 1,151.55 mi (1,853.25 km) |
| Ub to Cosham | 1,073.36 mi (1,727.41 km) |
