| Biddeford to Coudekerque-Branche | 3,314.60 mi (5,334.33 km) |
| Biddeford to Coueron | 3,237.97 mi (5,211.01 km) |
| Biddeford to Coulommiers | 3,400.57 mi (5,472.69 km) |
| Biddeford to Courbevoic | 3,363.59 mi (5,413.17 km) |
| Biddeford to Courcouronnes | 3,378.33 mi (5,436.90 km) |
| Biddeford to Cournon-d'Auvergne | 3,493.18 mi (5,621.72 km) |
| Biddeford to Courrieres | 3,351.51 mi (5,393.73 km) |
| Biddeford to Coutras | 3,367.60 mi (5,419.63 km) |
| Biddeford to Couzeix | 3,403.83 mi (5,477.94 km) |
| Biddeford to Cran-Gevrier | 3,613.79 mi (5,815.83 km) |
| Biddeford to Craponne | 3,559.24 mi (5,728.04 km) |
| Biddeford to Creil | 3,363.63 mi (5,413.24 km) |
| Biddeford to Crepy-en-Valois | 3,381.10 mi (5,441.35 km) |
| Biddeford to Crest | 3,603.85 mi (5,799.84 km) |
| Biddeford to Creteil | 3,375.23 mi (5,431.91 km) |
