| Biddeford to Cockermouth | 3,009.96 mi (4,844.06 km) |
| Biddeford to Colchester | 3,233.78 mi (5,204.27 km) |
| Biddeford to Coleford | 3,093.42 mi (4,978.38 km) |
| Biddeford to Colne | 3,070.51 mi (4,941.51 km) |
| Biddeford to Colwyn Bay | 3,020.62 mi (4,861.23 km) |
| Biddeford to Congleton | 3,082.06 mi (4,960.10 km) |
| Biddeford to Conisbrough | 3,115.04 mi (5,013.17 km) |
| Biddeford to Connahs Quay | 3,047.57 mi (4,904.59 km) |
| Biddeford to Consett | 3,065.84 mi (4,933.99 km) |
| Biddeford to Conwy | 3,015.62 mi (4,853.18 km) |
| Biddeford to Cookstown | 2,878.39 mi (4,632.32 km) |
| Biddeford to Corby | 3,156.24 mi (5,079.47 km) |
| Biddeford to Corfe Mullen | 3,139.87 mi (5,053.13 km) |
| Biddeford to Corsham | 3,118.54 mi (5,018.80 km) |
| Biddeford to Coseley | 3,099.52 mi (4,988.20 km) |
