| Didymoteicho to Colchester | 1,405.29 mi (2,261.59 km) |
| Didymoteicho to Coleford | 1,545.39 mi (2,487.06 km) |
| Didymoteicho to Colne | 1,574.24 mi (2,533.49 km) |
| Didymoteicho to Colwyn Bay | 1,619.72 mi (2,606.68 km) |
| Didymoteicho to Congleton | 1,558.87 mi (2,508.75 km) |
| Didymoteicho to Conisbrough | 1,528.54 mi (2,459.94 km) |
| Didymoteicho to Connahs Quay | 1,592.94 mi (2,563.59 km) |
| Didymoteicho to Consett | 1,588.11 mi (2,555.82 km) |
| Didymoteicho to Conwy | 1,624.60 mi (2,614.54 km) |
| Didymoteicho to Cookstown | 1,766.32 mi (2,842.62 km) |
| Didymoteicho to Corby | 1,483.41 mi (2,387.32 km) |
| Didymoteicho to Corfe Mullen | 1,501.68 mi (2,416.71 km) |
| Didymoteicho to Corsham | 1,520.76 mi (2,447.43 km) |
| Didymoteicho to Coseley | 1,539.60 mi (2,477.75 km) |
| Didymoteicho to Cosham | 1,462.90 mi (2,354.31 km) |
