| Idrija to Kluczbork | 393.83 mi (633.82 km) |
| Idrija to Knurow | 361.67 mi (582.05 km) |
| Idrija to Kobylka | 543.79 mi (875.15 km) |
| Idrija to Kokoszki | 609.60 mi (981.05 km) |
| Idrija to Kolbuszowa | 461.67 mi (742.99 km) |
| Idrija to Kolno | 621.11 mi (999.59 km) |
| Idrija to Kolo | 475.97 mi (766.00 km) |
| Idrija to Kolobrzeg | 568.86 mi (915.49 km) |
| Idrija to Koluszki | 475.59 mi (765.39 km) |
| Idrija to Komorniki | 449.28 mi (723.04 km) |
| Idrija to Konin | 470.02 mi (756.43 km) |
| Idrija to Konskie | 462.44 mi (744.23 km) |
| Idrija to Konstancin-Jeziorna | 528.25 mi (850.14 km) |
| Idrija to Konstantynow Lodzki | 464.29 mi (747.21 km) |
| Idrija to Koronowo | 534.50 mi (860.19 km) |
