| Biddeford to Cicero (Illinois) | 884.98 mi (1,424.24 km) |
| Biddeford to Cimarron Hills (Colorado) | 1,796.59 mi (2,891.34 km) |
| Biddeford to Cincinnati (Ohio) | 787.09 mi (1,266.70 km) |
| Biddeford to Cinco Ranch (Texas) | 1,683.38 mi (2,709.14 km) |
| Biddeford to Circleville (Ohio) | 697.61 mi (1,122.70 km) |
| Biddeford to Citrus (California) | 2,598.08 mi (4,181.21 km) |
| Biddeford to Citrus Heights (California) | 2,626.82 mi (4,227.46 km) |
| Biddeford to Citrus Park (Florida) | 1,258.83 mi (2,025.88 km) |
| Biddeford to Claiborne (Louisiana) | 1,397.72 mi (2,249.41 km) |
| Biddeford to Claremont (California) | 2,589.04 mi (4,166.66 km) |
| Biddeford to Claremont (New Hampshire) | 94.82 mi (152.60 km) |
| Biddeford to Claremore (Oklahoma) | 1,415.64 mi (2,278.25 km) |
| Biddeford to Clarksburg (Maryland) | 458.95 mi (738.60 km) |
| Biddeford to Clarksburg (West Virginia) | 587.16 mi (944.94 km) |
| Biddeford to Clarksdale (Mississippi) | 1,253.33 mi (2,017.03 km) |
