| Ardahan to Colchester | 2,088.73 mi (3,361.49 km) |
| Ardahan to Coleford | 2,238.49 mi (3,602.50 km) |
| Ardahan to Colne | 2,227.18 mi (3,584.30 km) |
| Ardahan to Colwyn Bay | 2,287.18 mi (3,680.86 km) |
| Ardahan to Congleton | 2,225.46 mi (3,581.53 km) |
| Ardahan to Conisbrough | 2,186.32 mi (3,518.54 km) |
| Ardahan to Connahs Quay | 2,260.39 mi (3,637.75 km) |
| Ardahan to Consett | 2,220.03 mi (3,572.80 km) |
| Ardahan to Conwy | 2,292.51 mi (3,689.44 km) |
| Ardahan to Cookstown | 2,414.44 mi (3,885.66 km) |
| Ardahan to Corby | 2,159.35 mi (3,475.14 km) |
| Ardahan to Corfe Mullen | 2,212.05 mi (3,559.96 km) |
| Ardahan to Corsham | 2,219.59 mi (3,572.09 km) |
| Ardahan to Coseley | 2,217.59 mi (3,568.87 km) |
| Ardahan to Cosham | 2,170.54 mi (3,493.14 km) |
