| Postojna to Klaukkala | 1,096.70 mi (1,764.97 km) |
| Postojna to Kokkola | 1,294.53 mi (2,083.34 km) |
| Postojna to Kontiolahti | 1,324.62 mi (2,131.77 km) |
| Postojna to Korsholm | 1,232.86 mi (1,984.09 km) |
| Postojna to Kotka | 1,139.47 mi (1,833.81 km) |
| Postojna to Kouvola | 1,158.68 mi (1,864.72 km) |
| Postojna to Kuhmo | 1,397.17 mi (2,248.52 km) |
| Postojna to Kuopio | 1,294.98 mi (2,084.07 km) |
| Postojna to Kurikka | 1,207.45 mi (1,943.20 km) |
| Postojna to Kuusamo | 1,501.72 mi (2,416.79 km) |
| Postojna to Kuusankoski | 1,159.64 mi (1,866.26 km) |
| Postojna to Lahti | 1,147.74 mi (1,847.11 km) |
| Postojna to Laitila | 1,086.89 mi (1,749.19 km) |
| Postojna to Lapinlahti | 1,318.87 mi (2,122.51 km) |
| Postojna to Lappeenranta | 1,197.19 mi (1,926.69 km) |
