| Omurtag to Colchester | 1,327.44 mi (2,136.30 km) |
| Omurtag to Coleford | 1,470.88 mi (2,367.15 km) |
| Omurtag to Colne | 1,490.97 mi (2,399.49 km) |
| Omurtag to Colwyn Bay | 1,539.79 mi (2,478.05 km) |
| Omurtag to Congleton | 1,478.34 mi (2,379.16 km) |
| Omurtag to Conisbrough | 1,445.93 mi (2,327.01 km) |
| Omurtag to Connahs Quay | 1,512.84 mi (2,434.68 km) |
| Omurtag to Consett | 1,500.89 mi (2,415.45 km) |
| Omurtag to Conwy | 1,544.80 mi (2,486.12 km) |
| Omurtag to Cookstown | 1,683.32 mi (2,709.04 km) |
| Omurtag to Corby | 1,404.42 mi (2,260.19 km) |
| Omurtag to Corfe Mullen | 1,431.34 mi (2,303.52 km) |
| Omurtag to Corsham | 1,447.53 mi (2,329.57 km) |
| Omurtag to Coseley | 1,461.47 mi (2,352.01 km) |
| Omurtag to Cosham | 1,391.57 mi (2,239.51 km) |
