| Erkrath to Clarkston (Georgia) | 4,487.95 mi (7,222.66 km) |
| Erkrath to Clarksville (Indiana) | 4,324.24 mi (6,959.20 km) |
| Erkrath to Clarksville (Tennessee) | 4,471.24 mi (7,195.76 km) |
| Erkrath to Clawson (Michigan) | 4,023.20 mi (6,474.71 km) |
| Erkrath to Clay (Alabama) | 4,587.25 mi (7,382.46 km) |
| Erkrath to Clayton (California) | 5,543.97 mi (8,922.16 km) |
| Erkrath to Clayton (Missouri) | 4,479.95 mi (7,209.79 km) |
| Erkrath to Clayton (North Carolina) | 4,165.69 mi (6,704.03 km) |
| Erkrath to Clayton (Ohio) | 4,194.27 mi (6,750.03 km) |
| Erkrath to Clearfield (Utah) | 5,077.71 mi (8,171.78 km) |
| Erkrath to Clearlake (California) | 5,501.49 mi (8,853.80 km) |
| Erkrath to Clearwater (Florida) | 4,722.83 mi (7,600.66 km) |
| Erkrath to Cleburne (Texas) | 5,068.94 mi (8,157.67 km) |
| Erkrath to Clemmons (North Carolina) | 4,225.41 mi (6,800.15 km) |
| Erkrath to Clemson (South Carolina) | 4,387.94 mi (7,061.71 km) |
