| Postojna to Kecskemet | 272.56 mi (438.64 km) |
| Postojna to Kerepestarcsa | 268.86 mi (432.69 km) |
| Postojna to Keszthely | 160.35 mi (258.05 km) |
| Postojna to Kiskoros | 249.35 mi (401.28 km) |
| Postojna to Kiskunfelegyhaza | 276.82 mi (445.50 km) |
| Postojna to Kiskunhalas | 256.67 mi (413.07 km) |
| Postojna to Kiskunlachaza | 248.72 mi (400.27 km) |
| Postojna to Kiskunmajsa | 268.98 mi (432.88 km) |
| Postojna to Kisujszallas | 327.09 mi (526.40 km) |
| Postojna to Kisvarda | 407.14 mi (655.23 km) |
| Postojna to Komarom | 229.49 mi (369.33 km) |
| Postojna to Komlo | 196.41 mi (316.09 km) |
| Postojna to Kormend | 142.39 mi (229.15 km) |
| Postojna to Koszeg | 156.98 mi (252.63 km) |
| Postojna to Lajosmizse | 268.82 mi (432.63 km) |
