| Erkrath to Cloverly (Maryland) | 3,944.80 mi (6,348.55 km) |
| Erkrath to Clovis (California) | 5,548.43 mi (8,929.33 km) |
| Erkrath to Clovis (New Mexico) | 5,163.61 mi (8,310.02 km) |
| Erkrath to Clute (Texas) | 5,171.05 mi (8,322.01 km) |
| Erkrath to Coachella (California) | 5,629.54 mi (9,059.86 km) |
| Erkrath to Coalinga (California) | 5,607.33 mi (9,024.13 km) |
| Erkrath to Coamo (Puerto Rico) | 4,532.11 mi (7,293.73 km) |
| Erkrath to Coatesville (Pennsylvania) | 3,857.51 mi (6,208.06 km) |
| Erkrath to Cockeysville (Maryland) | 3,912.81 mi (6,297.06 km) |
| Erkrath to Cocoa (Florida) | 4,620.07 mi (7,435.29 km) |
| Erkrath to Cocoa Beach (Florida) | 4,616.77 mi (7,429.97 km) |
| Erkrath to Coconut Creek (Florida) | 4,702.65 mi (7,568.18 km) |
| Erkrath to Coeur d'Alene (Idaho) | 4,833.43 mi (7,778.65 km) |
| Erkrath to Cohoes (New York) | 3,649.46 mi (5,873.24 km) |
| Erkrath to Cold Springs (Nevada) | 5,386.45 mi (8,668.65 km) |
