| Kardzhali to Clay Cross | 1,470.18 mi (2,366.02 km) |
| Kardzhali to Clayton | 1,501.67 mi (2,416.71 km) |
| Kardzhali to Clayton le Moors | 1,523.02 mi (2,451.07 km) |
| Kardzhali to Cleckheaton | 1,496.59 mi (2,408.53 km) |
| Kardzhali to Cleethorpes | 1,428.19 mi (2,298.44 km) |
| Kardzhali to Clevedon | 1,489.18 mi (2,396.61 km) |
| Kardzhali to Clifton | 1,454.42 mi (2,340.67 km) |
| Kardzhali to Clifton | 1,480.20 mi (2,382.15 km) |
| Kardzhali to Cliftonville | 1,314.17 mi (2,114.96 km) |
| Kardzhali to Clitheroe | 1,525.81 mi (2,455.55 km) |
| Kardzhali to Clydebank | 1,654.25 mi (2,662.26 km) |
| Kardzhali to Coalville | 1,457.38 mi (2,345.43 km) |
| Kardzhali to Coatbridge | 1,639.97 mi (2,639.28 km) |
| Kardzhali to Cobham | 1,386.28 mi (2,231.01 km) |
| Kardzhali to Cockermouth | 1,582.86 mi (2,547.36 km) |
