| Kardzhali to Bumbesti-Jiu | 263.36 mi (423.83 km) |
| Kardzhali to Busteni | 260.05 mi (418.51 km) |
| Kardzhali to Buzau | 252.80 mi (406.84 km) |
| Kardzhali to Cajvana | 419.36 mi (674.90 km) |
| Kardzhali to Calafat | 202.35 mi (325.65 km) |
| Kardzhali to Calan | 305.88 mi (492.26 km) |
| Kardzhali to Calarasi | 202.33 mi (325.61 km) |
| Kardzhali to Campia Turzii | 346.39 mi (557.46 km) |
| Kardzhali to Campina | 241.17 mi (388.13 km) |
| Kardzhali to Campulung | 250.48 mi (403.11 km) |
| Kardzhali to Campulung Moldovenesc | 406.43 mi (654.08 km) |
| Kardzhali to Caracal | 177.80 mi (286.13 km) |
| Kardzhali to Caransebes | 304.43 mi (489.93 km) |
| Kardzhali to Carei | 440.50 mi (708.91 km) |
| Kardzhali to Cernavoda | 229.45 mi (369.26 km) |
