| Karlovy Vary to Jicin | 110.26 mi (177.44 km) |
| Karlovy Vary to Jihlava | 134.06 mi (215.75 km) |
| Karlovy Vary to Jindrichuv Hradec | 121.26 mi (195.14 km) |
| Karlovy Vary to Jirkov | 31.45 mi (50.61 km) |
| Karlovy Vary to Kadan | 20.27 mi (32.63 km) |
| Karlovy Vary to Karvina | 252.89 mi (406.98 km) |
| Karlovy Vary to Kladno | 54.58 mi (87.84 km) |
| Karlovy Vary to Klasterec nad Ohri | 16.95 mi (27.27 km) |
| Karlovy Vary to Klatovy | 60.69 mi (97.67 km) |
| Karlovy Vary to Kolin | 104.06 mi (167.47 km) |
| Karlovy Vary to Koprivnice | 238.53 mi (383.88 km) |
| Karlovy Vary to Kralupy nad Vltavou | 63.60 mi (102.36 km) |
| Karlovy Vary to Kraluv Dvur | 55.04 mi (88.58 km) |
| Karlovy Vary to Krnov | 213.80 mi (344.08 km) |
| Karlovy Vary to Kromeriz | 211.73 mi (340.75 km) |
