| Cities | Distance |
|---|---|
| Postojna to Kanjiza | 281.17 mi (452.51 km) |
| Postojna to Kikinda | 300.32 mi (483.33 km) |
| Postojna to Kladovo | 416.45 mi (670.21 km) |
| Postojna to Knic | 343.36 mi (552.58 km) |
| Postojna to Knjazevac | 433.37 mi (697.44 km) |
| Postojna to Koceljeva | 287.13 mi (462.09 km) |
| Postojna to Kosjeric | 304.85 mi (490.62 km) |
| Postojna to Kovacica | 313.91 mi (505.18 km) |
| Postojna to Kovin | 335.86 mi (540.52 km) |
| Postojna to Kragujevac | 350.84 mi (564.62 km) |
| Postojna to Kraljevo | 347.72 mi (559.61 km) |
| Postojna to Krupanj | 269.57 mi (433.84 km) |
| Postojna to Krusevac | 380.70 mi (612.68 km) |
| Postojna to Kucevo | 373.96 mi (601.84 km) |
| Postojna to Kula | 257.00 mi (413.60 km) |