| Kardzhali to Cologno al Serio | 827.81 mi (1,332.24 km) |
| Kardzhali to Cologno Monzese | 846.82 mi (1,362.83 km) |
| Kardzhali to Colorno | 785.61 mi (1,264.31 km) |
| Kardzhali to Comacchio | 695.98 mi (1,120.06 km) |
| Kardzhali to Comiso | 660.22 mi (1,062.53 km) |
| Kardzhali to Como | 860.30 mi (1,384.52 km) |
| Kardzhali to Concordia Sagittaria | 685.82 mi (1,103.71 km) |
| Kardzhali to Concorezzo | 845.05 mi (1,359.97 km) |
| Kardzhali to Conegliano | 713.66 mi (1,148.52 km) |
| Kardzhali to Conselice | 710.12 mi (1,142.82 km) |
| Kardzhali to Conselve | 720.01 mi (1,158.74 km) |
| Kardzhali to Conversano | 430.61 mi (692.99 km) |
| Kardzhali to Copertino | 393.42 mi (633.14 km) |
| Kardzhali to Copparo | 715.85 mi (1,152.05 km) |
| Kardzhali to Corato | 465.79 mi (749.62 km) |
