| Allendale to Cockermouth | 3,617.40 mi (5,821.65 km) |
| Allendale to Colchester | 3,859.36 mi (6,211.04 km) |
| Allendale to Coleford | 3,728.72 mi (6,000.80 km) |
| Allendale to Colne | 3,683.95 mi (5,928.74 km) |
| Allendale to Colwyn Bay | 3,643.40 mi (5,863.49 km) |
| Allendale to Congleton | 3,702.77 mi (5,959.04 km) |
| Allendale to Conisbrough | 3,730.17 mi (6,003.14 km) |
| Allendale to Connahs Quay | 3,669.64 mi (5,905.71 km) |
| Allendale to Consett | 3,667.87 mi (5,902.87 km) |
| Allendale to Conwy | 3,638.79 mi (5,856.07 km) |
| Allendale to Cookstown | 3,492.91 mi (5,621.30 km) |
| Allendale to Corby | 3,780.08 mi (6,083.45 km) |
| Allendale to Corfe Mullen | 3,783.39 mi (6,088.78 km) |
| Allendale to Corsham | 3,756.23 mi (6,045.07 km) |
| Allendale to Coseley | 3,726.09 mi (5,996.57 km) |
