| Biddeford to Caguas (Puerto Rico) | 1,762.47 mi (2,836.42 km) |
| Biddeford to Cahokia (Illinois) | 1,079.75 mi (1,737.70 km) |
| Biddeford to Calabasas (California) | 2,636.43 mi (4,242.93 km) |
| Biddeford to Caldwell (Idaho) | 2,283.07 mi (3,674.25 km) |
| Biddeford to Caledonia (Wisconsin) | 878.22 mi (1,413.36 km) |
| Biddeford to Calera (Alabama) | 1,132.74 mi (1,822.97 km) |
| Biddeford to Calexico (California) | 2,526.90 mi (4,066.65 km) |
| Biddeford to Calhoun (Georgia) | 992.57 mi (1,597.39 km) |
| Biddeford to California (Maryland) | 476.49 mi (766.83 km) |
| Biddeford to California City (California) | 2,563.18 mi (4,125.04 km) |
| Biddeford to Callaway (Florida) | 1,239.78 mi (1,995.24 km) |
| Biddeford to Calumet City (Illinois) | 878.27 mi (1,413.44 km) |
| Biddeford to Calverton (Maryland) | 454.39 mi (731.27 km) |
| Biddeford to Camano (Washington) | 2,477.31 mi (3,986.84 km) |
| Biddeford to Camarillo (California) | 2,651.78 mi (4,267.63 km) |
