| Idrija to Jozefow | 534.08 mi (859.53 km) |
| Idrija to Kalisz | 438.03 mi (704.94 km) |
| Idrija to Kamien Pomorski | 551.49 mi (887.53 km) |
| Idrija to Kamienna Gora | 342.87 mi (551.79 km) |
| Idrija to Karczew | 531.92 mi (856.04 km) |
| Idrija to Kartuzy | 604.23 mi (972.41 km) |
| Idrija to Katowice | 373.63 mi (601.30 km) |
| Idrija to Kedzierzyn-Kozle | 356.50 mi (573.74 km) |
| Idrija to Kepno | 406.97 mi (654.95 km) |
| Idrija to Ketrzyn | 645.95 mi (1,039.55 km) |
| Idrija to Kety | 360.63 mi (580.38 km) |
| Idrija to Kielce | 452.40 mi (728.07 km) |
| Idrija to Kielczow | 383.03 mi (616.42 km) |
| Idrija to Klobuck | 407.00 mi (655.00 km) |
| Idrija to Klodzko | 329.03 mi (529.52 km) |
