| Kardzhali to Cosenza | 505.62 mi (813.72 km) |
| Kardzhali to Cossato | 899.97 mi (1,448.37 km) |
| Kardzhali to Costa Volpino | 813.43 mi (1,309.09 km) |
| Kardzhali to Creazzo | 743.55 mi (1,196.63 km) |
| Kardzhali to Crema | 825.22 mi (1,328.06 km) |
| Kardzhali to Cremona | 805.15 mi (1,295.77 km) |
| Kardzhali to Crevalcore | 745.80 mi (1,200.26 km) |
| Kardzhali to Crispiano | 429.31 mi (690.92 km) |
| Kardzhali to Crosia | 473.27 mi (761.65 km) |
| Kardzhali to Crotone | 468.87 mi (754.57 km) |
| Kardzhali to Cuneo | 917.70 mi (1,476.90 km) |
| Kardzhali to Cuorgne | 922.32 mi (1,484.33 km) |
| Kardzhali to Cusano Milanino | 851.63 mi (1,370.57 km) |
| Kardzhali to Cutro | 476.87 mi (767.44 km) |
| Kardzhali to Cutrofiano | 388.94 mi (625.93 km) |
