| Herdecke to Cay | 1,442.35 mi (2,321.24 km) |
| Herdecke to Caybasi | 1,574.05 mi (2,533.19 km) |
| Herdecke to Caycuma | 1,351.53 mi (2,175.08 km) |
| Herdecke to Cayeli | 1,723.78 mi (2,774.16 km) |
| Herdecke to Cayiralan | 1,589.63 mi (2,558.27 km) |
| Herdecke to Cayirhan | 1,395.54 mi (2,245.90 km) |
| Herdecke to Cayirli | 1,748.16 mi (2,813.39 km) |
| Herdecke to Cayirova | 1,271.94 mi (2,046.99 km) |
| Herdecke to Caykara | 1,717.33 mi (2,763.78 km) |
| Herdecke to Cekerek | 1,549.20 mi (2,493.20 km) |
| Herdecke to Cekme | 1,254.60 mi (2,019.08 km) |
| Herdecke to Celtik | 1,450.49 mi (2,334.34 km) |
| Herdecke to Cerkes | 1,411.19 mi (2,271.08 km) |
| Herdecke to Cerkezkoy | 1,197.83 mi (1,927.73 km) |
| Herdecke to Cermik | 1,797.42 mi (2,892.67 km) |
