| Erkrath to Cay | 1,456.42 mi (2,343.88 km) |
| Erkrath to Caybasi | 1,592.57 mi (2,563.00 km) |
| Erkrath to Caycuma | 1,368.29 mi (2,202.05 km) |
| Erkrath to Cayeli | 1,743.50 mi (2,805.89 km) |
| Erkrath to Cayiralan | 1,606.49 mi (2,585.39 km) |
| Erkrath to Cayirhan | 1,411.08 mi (2,270.92 km) |
| Erkrath to Cayirli | 1,766.96 mi (2,843.65 km) |
| Erkrath to Cayirova | 1,286.81 mi (2,070.92 km) |
| Erkrath to Caykara | 1,736.72 mi (2,794.99 km) |
| Erkrath to Cekerek | 1,566.49 mi (2,521.02 km) |
| Erkrath to Cekme | 1,269.53 mi (2,043.12 km) |
| Erkrath to Celtik | 1,465.29 mi (2,358.16 km) |
| Erkrath to Cerkes | 1,427.86 mi (2,297.91 km) |
| Erkrath to Cerkezkoy | 1,212.28 mi (1,950.98 km) |
| Erkrath to Cermik | 1,815.10 mi (2,921.12 km) |
