| Postojna to Jicin | 326.27 mi (525.08 km) |
| Postojna to Jihlava | 258.50 mi (416.01 km) |
| Postojna to Jindrichuv Hradec | 235.63 mi (379.20 km) |
| Postojna to Jirkov | 328.30 mi (528.34 km) |
| Postojna to Kadan | 320.80 mi (516.28 km) |
| Postojna to Karlovy Vary | 313.96 mi (505.27 km) |
| Postojna to Karvina | 345.92 mi (556.70 km) |
| Postojna to Kladno | 302.27 mi (486.45 km) |
| Postojna to Klasterec nad Ohri | 322.04 mi (518.27 km) |
| Postojna to Klatovy | 253.73 mi (408.34 km) |
| Postojna to Kolin | 297.33 mi (478.50 km) |
| Postojna to Koprivnice | 321.19 mi (516.90 km) |
| Postojna to Kralupy nad Vltavou | 308.55 mi (496.56 km) |
| Postojna to Kraluv Dvur | 288.51 mi (464.32 km) |
| Postojna to Krnov | 338.88 mi (545.37 km) |
