| Biddeford to Corinth (Mississippi) | 1,128.48 mi (1,816.11 km) |
| Biddeford to Corinth (Texas) | 1,600.22 mi (2,575.31 km) |
| Biddeford to Cornelius (North Carolina) | 782.79 mi (1,259.78 km) |
| Biddeford to Cornelius (Oregon) | 2,549.44 mi (4,102.93 km) |
| Biddeford to Corning (New York) | 346.90 mi (558.29 km) |
| Biddeford to Corona (California) | 2,590.34 mi (4,168.75 km) |
| Biddeford to Coronado (California) | 2,611.12 mi (4,202.20 km) |
| Biddeford to Corpus Christi (Texas) | 1,849.38 mi (2,976.29 km) |
| Biddeford to Corsicana (Texas) | 1,614.18 mi (2,597.76 km) |
| Biddeford to Cortland (New York) | 295.32 mi (475.28 km) |
| Biddeford to Corvallis (Oregon) | 2,579.05 mi (4,150.59 km) |
| Biddeford to Coshocton (Ohio) | 626.21 mi (1,007.80 km) |
| Biddeford to Costa Mesa (California) | 2,614.39 mi (4,207.46 km) |
| Biddeford to Coto de Caza (California) | 2,600.37 mi (4,184.90 km) |
| Biddeford to Cottage Grove (Minnesota) | 1,114.75 mi (1,794.02 km) |
