| Biddeford to Cabestany | 3,576.84 mi (5,756.37 km) |
| Biddeford to Cabries | 3,660.89 mi (5,891.63 km) |
| Biddeford to Cachan | 3,369.72 mi (5,423.04 km) |
| Biddeford to Caen | 3,246.07 mi (5,224.04 km) |
| Biddeford to Cagnes-sur-Mer | 3,731.37 mi (6,005.07 km) |
| Biddeford to Cahors | 3,454.74 mi (5,559.87 km) |
| Biddeford to Calais | 3,294.75 mi (5,302.38 km) |
| Biddeford to Caluire-et-Cuire | 3,563.06 mi (5,734.19 km) |
| Biddeford to Cambrai | 3,370.59 mi (5,424.44 km) |
| Biddeford to Canet-en-Roussillon | 3,578.93 mi (5,759.73 km) |
| Biddeford to Cannes | 3,729.18 mi (6,001.53 km) |
| Biddeford to Canteleu | 3,298.26 mi (5,308.04 km) |
| Biddeford to Capbreton | 3,349.87 mi (5,391.09 km) |
| Biddeford to Carcassonne | 3,533.39 mi (5,686.44 km) |
| Biddeford to Carmaux | 3,498.74 mi (5,630.67 km) |
