| Niederkassel to Centralia (Illinois) | 4,459.83 mi (7,177.41 km) |
| Niederkassel to Centralia (Washington) | 5,070.57 mi (8,160.29 km) |
| Niederkassel to Centreville (Virginia) | 3,990.60 mi (6,422.26 km) |
| Niederkassel to Ceres (California) | 5,563.33 mi (8,953.31 km) |
| Niederkassel to Cerritos (California) | 5,701.10 mi (9,175.04 km) |
| Niederkassel to Chalco (Nebraska) | 4,580.43 mi (7,371.49 km) |
| Niederkassel to Chalmette (Louisiana) | 4,928.11 mi (7,931.02 km) |
| Niederkassel to Chambersburg (Pennsylvania) | 3,948.98 mi (6,355.28 km) |
| Niederkassel to Chamblee (Georgia) | 4,502.77 mi (7,246.51 km) |
| Niederkassel to Champaign (Illinois) | 4,349.57 mi (6,999.95 km) |
| Niederkassel to Champlin (Minnesota) | 4,285.29 mi (6,896.50 km) |
| Niederkassel to Chandler (Arizona) | 5,541.19 mi (8,917.68 km) |
| Niederkassel to Chanhassen (Minnesota) | 4,306.70 mi (6,930.97 km) |
| Niederkassel to Channahon (Illinois) | 4,285.41 mi (6,896.71 km) |
| Niederkassel to Channelview (Texas) | 5,137.18 mi (8,267.50 km) |
