| Serres to Colchester | 1,302.11 mi (2,095.55 km) |
| Serres to Coleford | 1,437.33 mi (2,313.16 km) |
| Serres to Colne | 1,477.12 mi (2,377.20 km) |
| Serres to Colwyn Bay | 1,517.92 mi (2,442.85 km) |
| Serres to Congleton | 1,458.16 mi (2,346.69 km) |
| Serres to Conisbrough | 1,430.78 mi (2,302.61 km) |
| Serres to Connahs Quay | 1,491.51 mi (2,400.36 km) |
| Serres to Consett | 1,496.57 mi (2,408.49 km) |
| Serres to Conwy | 1,522.61 mi (2,450.40 km) |
| Serres to Cookstown | 1,667.89 mi (2,684.21 km) |
| Serres to Corby | 1,381.18 mi (2,222.80 km) |
| Serres to Corfe Mullen | 1,389.14 mi (2,235.60 km) |
| Serres to Corsham | 1,411.37 mi (2,271.38 km) |
| Serres to Coseley | 1,435.95 mi (2,310.93 km) |
| Serres to Cosham | 1,351.68 mi (2,175.31 km) |
