| Biddeford to Cognac | 3,340.11 mi (5,375.38 km) |
| Biddeford to Cogolin | 3,717.90 mi (5,983.38 km) |
| Biddeford to Colmar | 3,599.67 mi (5,793.11 km) |
| Biddeford to Colombes | 3,362.86 mi (5,412.00 km) |
| Biddeford to Colomiers | 3,475.42 mi (5,593.14 km) |
| Biddeford to Combs-la-Ville | 3,382.58 mi (5,443.73 km) |
| Biddeford to Comines | 3,346.24 mi (5,385.26 km) |
| Biddeford to Compiegne | 3,373.61 mi (5,429.31 km) |
| Biddeford to Concarneau | 3,126.00 mi (5,030.82 km) |
| Biddeford to Conde-sur-l'Escaut | 3,377.99 mi (5,436.35 km) |
| Biddeford to Conflans-Sainte-Honorine | 3,354.41 mi (5,398.40 km) |
| Biddeford to Corbas | 3,569.33 mi (5,744.28 km) |
| Biddeford to Corbeil-Essonnes | 3,380.81 mi (5,440.90 km) |
| Biddeford to Cormeilles-en-Parisis | 3,359.40 mi (5,406.43 km) |
| Biddeford to Cosne sur Loire | 3,432.90 mi (5,524.72 km) |
