| Biddeford to Cosham | 3,177.54 mi (5,113.76 km) |
| Biddeford to Costessey | 3,228.88 mi (5,196.38 km) |
| Biddeford to Cottingham | 3,140.93 mi (5,054.83 km) |
| Biddeford to Coulsdon | 3,204.66 mi (5,157.40 km) |
| Biddeford to Coventry | 3,125.43 mi (5,029.90 km) |
| Biddeford to Cowdenbeath | 2,987.35 mi (4,807.68 km) |
| Biddeford to Cowes | 3,169.76 mi (5,101.24 km) |
| Biddeford to Cowley | 3,186.04 mi (5,127.44 km) |
| Biddeford to Cowley | 3,151.69 mi (5,072.16 km) |
| Biddeford to Cramlington | 3,071.12 mi (4,942.49 km) |
| Biddeford to Cranleigh | 3,194.99 mi (5,141.85 km) |
| Biddeford to Crawley | 3,207.53 mi (5,162.02 km) |
| Biddeford to Crayford | 3,214.75 mi (5,173.64 km) |
| Biddeford to Crewe | 3,074.40 mi (4,947.78 km) |
| Biddeford to Crigglestone | 3,100.18 mi (4,989.26 km) |
