| Erkrath to Caguas (Puerto Rico) | 4,509.98 mi (7,258.11 km) |
| Erkrath to Cahokia (Illinois) | 4,478.34 mi (7,207.20 km) |
| Erkrath to Calabasas (California) | 5,678.88 mi (9,139.27 km) |
| Erkrath to Caldwell (Idaho) | 5,064.16 mi (8,149.98 km) |
| Erkrath to Caledonia (Wisconsin) | 4,185.26 mi (6,735.53 km) |
| Erkrath to Calera (Alabama) | 4,621.42 mi (7,437.45 km) |
| Erkrath to Calexico (California) | 5,668.39 mi (9,122.39 km) |
| Erkrath to Calhoun (Georgia) | 4,481.64 mi (7,212.50 km) |
| Erkrath to California (Maryland) | 3,962.26 mi (6,376.64 km) |
| Erkrath to California City (California) | 5,595.12 mi (9,004.47 km) |
| Erkrath to Callaway (Florida) | 4,726.38 mi (7,606.37 km) |
| Erkrath to Calumet City (Illinois) | 4,230.65 mi (6,808.58 km) |
| Erkrath to Calverton (Maryland) | 3,945.04 mi (6,348.93 km) |
| Erkrath to Camano (Washington) | 4,945.19 mi (7,958.51 km) |
| Erkrath to Camarillo (California) | 5,684.45 mi (9,148.24 km) |
