| Biddeford to Corato | 4,224.20 mi (6,798.20 km) |
| Biddeford to Corbetta | 3,748.04 mi (6,031.89 km) |
| Biddeford to Corciano | 3,972.74 mi (6,393.50 km) |
| Biddeford to Cordenons | 3,889.86 mi (6,260.13 km) |
| Biddeford to Cori | 4,054.39 mi (6,524.91 km) |
| Biddeford to Coriano | 3,956.44 mi (6,367.28 km) |
| Biddeford to Corigliano Calabro | 4,289.97 mi (6,904.05 km) |
| Biddeford to Corleone | 4,217.41 mi (6,787.27 km) |
| Biddeford to Cormano | 3,755.93 mi (6,044.58 km) |
| Biddeford to Cornaredo | 3,751.91 mi (6,038.11 km) |
| Biddeford to Cornate d'Adda | 3,765.36 mi (6,059.76 km) |
| Biddeford to Cornedo Vicentino | 3,845.99 mi (6,189.52 km) |
| Biddeford to Correggio | 3,850.91 mi (6,197.44 km) |
| Biddeford to Corridonia | 4,021.41 mi (6,471.83 km) |
| Biddeford to Corsico | 3,757.66 mi (6,047.37 km) |
