| Harmanli to Jihlava | 715.66 mi (1,151.74 km) |
| Harmanli to Jindrichuv Hradec | 724.15 mi (1,165.40 km) |
| Harmanli to Jirkov | 837.37 mi (1,347.62 km) |
| Harmanli to Kadan | 837.88 mi (1,348.43 km) |
| Harmanli to Karlovy Vary | 845.40 mi (1,360.54 km) |
| Harmanli to Karvina | 650.97 mi (1,047.64 km) |
| Harmanli to Kladno | 799.79 mi (1,287.14 km) |
| Harmanli to Klasterec nad Ohri | 841.66 mi (1,354.53 km) |
| Harmanli to Klatovy | 795.83 mi (1,280.77 km) |
| Harmanli to Kolin | 757.93 mi (1,219.78 km) |
| Harmanli to Koprivnice | 647.54 mi (1,042.11 km) |
| Harmanli to Kralupy nad Vltavou | 796.89 mi (1,282.47 km) |
| Harmanli to Kraluv Dvur | 793.08 mi (1,276.34 km) |
| Harmanli to Krnov | 686.51 mi (1,104.84 km) |
| Harmanli to Kromeriz | 653.37 mi (1,051.50 km) |
