| Niederkassel to Clay Cross | 393.93 mi (633.98 km) |
| Niederkassel to Clayton | 425.85 mi (685.33 km) |
| Niederkassel to Clayton le Moors | 446.88 mi (719.18 km) |
| Niederkassel to Cleckheaton | 420.68 mi (677.02 km) |
| Niederkassel to Cleethorpes | 353.40 mi (568.75 km) |
| Niederkassel to Clevedon | 430.55 mi (692.90 km) |
| Niederkassel to Clifton | 378.59 mi (609.27 km) |
| Niederkassel to Clifton | 405.91 mi (653.24 km) |
| Niederkassel to Cliftonville | 247.31 mi (398.01 km) |
| Niederkassel to Clitheroe | 449.84 mi (723.95 km) |
| Niederkassel to Clydebank | 586.71 mi (944.22 km) |
| Niederkassel to Coalville | 382.38 mi (615.38 km) |
| Niederkassel to Coatbridge | 573.10 mi (922.31 km) |
| Niederkassel to Cobham | 324.89 mi (522.85 km) |
| Niederkassel to Cockermouth | 508.82 mi (818.87 km) |
