| Biddeford to Caldicot | 3,092.13 mi (4,976.30 km) |
| Biddeford to Calne | 3,125.83 mi (5,030.53 km) |
| Biddeford to Cam | 3,105.57 mi (4,997.93 km) |
| Biddeford to Camberley | 3,179.73 mi (5,117.28 km) |
| Biddeford to Camborne | 3,014.57 mi (4,851.49 km) |
| Biddeford to Cambridge | 3,195.24 mi (5,142.24 km) |
| Biddeford to Cambuslang | 2,960.83 mi (4,764.99 km) |
| Biddeford to Canford Cliffs | 3,145.05 mi (5,061.47 km) |
| Biddeford to Cannock | 3,098.93 mi (4,987.25 km) |
| Biddeford to Canterbury | 3,255.19 mi (5,238.72 km) |
| Biddeford to Carlisle | 3,022.25 mi (4,863.84 km) |
| Biddeford to Carlton Colville | 3,252.40 mi (5,234.22 km) |
| Biddeford to Carluke | 2,974.73 mi (4,787.37 km) |
| Biddeford to Carnoustie | 3,005.40 mi (4,836.72 km) |
| Biddeford to Carshalton | 3,202.47 mi (5,153.88 km) |
