| Biddeford to Cermik | 5,297.57 mi (8,525.62 km) |
| Biddeford to Cesme | 4,762.08 mi (7,663.82 km) |
| Biddeford to Ceyhan | 5,209.82 mi (8,384.39 km) |
| Biddeford to Ceylanpinar | 5,384.32 mi (8,665.22 km) |
| Biddeford to Cicekdagi | 5,032.20 mi (8,098.54 km) |
| Biddeford to Cide | 4,871.76 mi (7,840.33 km) |
| Biddeford to Cifteler | 4,909.03 mi (7,900.31 km) |
| Biddeford to Ciftlik | 5,102.92 mi (8,212.36 km) |
| Biddeford to Ciftlikkoy | 4,782.67 mi (7,696.96 km) |
| Biddeford to Cihanbeyli | 5,018.02 mi (8,075.72 km) |
| Biddeford to Cildir | 5,284.28 mi (8,504.23 km) |
| Biddeford to Cilimli | 4,840.64 mi (7,790.26 km) |
| Biddeford to Cinar | 5,354.67 mi (8,617.52 km) |
| Biddeford to Cinarcik | 4,775.32 mi (7,685.13 km) |
| Biddeford to Cine | 4,867.11 mi (7,832.86 km) |
