| Kardzhali to Coin | 1,640.99 mi (2,640.91 km) |
| Kardzhali to Colindres | 1,464.94 mi (2,357.60 km) |
| Kardzhali to Collado-Villalba | 1,522.68 mi (2,450.52 km) |
| Kardzhali to Colmenar Viejo | 1,509.89 mi (2,429.93 km) |
| Kardzhali to Colmenarejo | 1,524.20 mi (2,452.97 km) |
| Kardzhali to Conil de la Frontera | 1,720.04 mi (2,768.13 km) |
| Kardzhali to Consuegra | 1,521.24 mi (2,448.19 km) |
| Kardzhali to Corbera de Llobregat | 1,208.46 mi (1,944.82 km) |
| Kardzhali to Cordoba | 1,613.58 mi (2,596.80 km) |
| Kardzhali to Coria del Rio | 1,693.00 mi (2,724.61 km) |
| Kardzhali to Crevillente | 1,400.66 mi (2,254.14 km) |
| Kardzhali to Cuarte de Huerva | 1,352.36 mi (2,176.41 km) |
| Kardzhali to Cubellas | 1,223.90 mi (1,969.67 km) |
| Kardzhali to Cuellar | 1,527.73 mi (2,458.65 km) |
| Kardzhali to Cuenca | 1,435.99 mi (2,311.00 km) |
