| Joniskis to Jicin | 524.84 mi (844.64 km) |
| Joniskis to Jihlava | 577.76 mi (929.82 km) |
| Joniskis to Jindrichuv Hradec | 606.93 mi (976.77 km) |
| Joniskis to Jirkov | 575.22 mi (925.72 km) |
| Joniskis to Kadan | 586.77 mi (944.31 km) |
| Joniskis to Karlovy Vary | 606.08 mi (975.40 km) |
| Joniskis to Karvina | 487.94 mi (785.27 km) |
| Joniskis to Kladno | 574.61 mi (924.74 km) |
| Joniskis to Klasterec nad Ohri | 589.32 mi (948.41 km) |
| Joniskis to Klatovy | 637.73 mi (1,026.33 km) |
| Joniskis to Kolin | 551.52 mi (887.58 km) |
| Joniskis to Koprivnice | 511.23 mi (822.74 km) |
| Joniskis to Kralupy nad Vltavou | 563.81 mi (907.36 km) |
| Joniskis to Kraluv Dvur | 587.18 mi (944.97 km) |
| Joniskis to Krnov | 489.39 mi (787.59 km) |
