| Biddeford to Cervignano del Friuli | 3,921.82 mi (6,311.56 km) |
| Biddeford to Cesa | 4,137.38 mi (6,658.47 km) |
| Biddeford to Cesano Maderno | 3,752.37 mi (6,038.86 km) |
| Biddeford to Cesena | 3,935.18 mi (6,333.06 km) |
| Biddeford to Cesenatico | 3,939.40 mi (6,339.85 km) |
| Biddeford to Cetraro | 4,269.13 mi (6,870.50 km) |
| Biddeford to Cherasco | 3,729.92 mi (6,002.73 km) |
| Biddeford to Chiampo | 3,845.45 mi (6,188.66 km) |
| Biddeford to Chiaravalle | 4,000.86 mi (6,438.76 km) |
| Biddeford to Chiari | 3,787.35 mi (6,095.15 km) |
| Biddeford to Chiavari | 3,804.33 mi (6,122.48 km) |
| Biddeford to Chieri | 3,716.06 mi (5,980.42 km) |
| Biddeford to Chieti | 4,082.46 mi (6,570.09 km) |
| Biddeford to Chioggia | 3,898.72 mi (6,274.38 km) |
| Biddeford to Chiusi | 3,962.56 mi (6,377.13 km) |
