| Erkrath to Cookeville (Tennessee) | 4,421.56 mi (7,115.82 km) |
| Erkrath to Coolidge (Arizona) | 5,527.85 mi (8,896.22 km) |
| Erkrath to Coon Rapids (Minnesota) | 4,260.83 mi (6,857.15 km) |
| Erkrath to Cooper City (Florida) | 4,718.86 mi (7,594.26 km) |
| Erkrath to Coos Bay (Oregon) | 5,275.54 mi (8,490.17 km) |
| Erkrath to Copiague (New York) | 3,729.74 mi (6,002.43 km) |
| Erkrath to Coppell (Texas) | 5,020.85 mi (8,080.27 km) |
| Erkrath to Copperas Cove (Texas) | 5,153.79 mi (8,294.22 km) |
| Erkrath to Coral Gables (Florida) | 4,735.76 mi (7,621.46 km) |
| Erkrath to Coral Springs (Florida) | 4,706.29 mi (7,574.04 km) |
| Erkrath to Coral Terrace (Florida) | 4,734.97 mi (7,620.20 km) |
| Erkrath to Coralville (Iowa) | 4,373.28 mi (7,038.11 km) |
| Erkrath to Coram (New York) | 3,704.91 mi (5,962.47 km) |
| Erkrath to Corcoran (California) | 5,589.18 mi (8,994.91 km) |
| Erkrath to Cordele (Georgia) | 4,562.15 mi (7,342.08 km) |
