| Erkrath to Carlsbad (New Mexico) | 5,312.17 mi (8,549.12 km) |
| Erkrath to Carmel (Indiana) | 4,258.40 mi (6,853.24 km) |
| Erkrath to Carmichael (California) | 5,486.24 mi (8,829.25 km) |
| Erkrath to Carney (Maryland) | 3,912.07 mi (6,295.87 km) |
| Erkrath to Carnot-Moon (Pennsylvania) | 4,005.54 mi (6,446.30 km) |
| Erkrath to Carol Stream (Illinois) | 4,237.14 mi (6,819.02 km) |
| Erkrath to Carolina (Puerto Rico) | 4,498.39 mi (7,239.45 km) |
| Erkrath to Carolina Forest (South Carolina) | 4,276.15 mi (6,881.80 km) |
| Erkrath to Carpentersville (Illinois) | 4,233.01 mi (6,812.37 km) |
| Erkrath to Carpinteria (California) | 5,688.12 mi (9,154.15 km) |
| Erkrath to Carrboro (North Carolina) | 4,178.54 mi (6,724.72 km) |
| Erkrath to Carroll (Iowa) | 4,469.92 mi (7,193.64 km) |
| Erkrath to Carrollton (Georgia) | 4,532.88 mi (7,294.96 km) |
| Erkrath to Carrollton (Texas) | 5,016.17 mi (8,072.75 km) |
| Erkrath to Carrollwood (Florida) | 4,708.63 mi (7,577.81 km) |
