| Kardzhali to Jihlava | 713.45 mi (1,148.19 km) |
| Kardzhali to Jindrichuv Hradec | 720.49 mi (1,159.52 km) |
| Kardzhali to Jirkov | 834.81 mi (1,343.49 km) |
| Kardzhali to Kadan | 834.84 mi (1,343.55 km) |
| Kardzhali to Karlovy Vary | 841.60 mi (1,354.43 km) |
| Kardzhali to Karvina | 654.77 mi (1,053.75 km) |
| Kardzhali to Kladno | 797.27 mi (1,283.09 km) |
| Kardzhali to Klasterec nad Ohri | 838.53 mi (1,349.49 km) |
| Kardzhali to Klatovy | 790.64 mi (1,272.41 km) |
| Kardzhali to Kolin | 756.60 mi (1,217.63 km) |
| Kardzhali to Koprivnice | 650.05 mi (1,046.16 km) |
| Kardzhali to Kralupy nad Vltavou | 794.84 mi (1,279.16 km) |
| Kardzhali to Kraluv Dvur | 790.04 mi (1,271.44 km) |
| Kardzhali to Krnov | 689.25 mi (1,109.24 km) |
| Kardzhali to Kromeriz | 653.84 mi (1,052.26 km) |
