| Unterwellenborn to Clay Cross | 573.66 mi (923.22 km) |
| Unterwellenborn to Clayton | 600.03 mi (965.66 km) |
| Unterwellenborn to Clayton le Moors | 622.39 mi (1,001.64 km) |
| Unterwellenborn to Cleckheaton | 595.25 mi (957.97 km) |
| Unterwellenborn to Cleethorpes | 525.23 mi (845.28 km) |
| Unterwellenborn to Clevedon | 622.30 mi (1,001.49 km) |
| Unterwellenborn to Clifton | 560.43 mi (901.92 km) |
| Unterwellenborn to Clifton | 576.00 mi (926.98 km) |
| Unterwellenborn to Cliftonville | 438.77 mi (706.13 km) |
| Unterwellenborn to Clitheroe | 624.40 mi (1,004.87 km) |
| Unterwellenborn to Clydebank | 745.54 mi (1,199.83 km) |
| Unterwellenborn to Coalville | 566.11 mi (911.06 km) |
| Unterwellenborn to Coatbridge | 731.17 mi (1,176.71 km) |
| Unterwellenborn to Cobham | 516.88 mi (831.83 km) |
| Unterwellenborn to Cockermouth | 677.55 mi (1,090.41 km) |
