| Idrija to Karis | 1,048.69 mi (1,687.70 km) |
| Idrija to Karkkila | 1,085.76 mi (1,747.36 km) |
| Idrija to Kauhajoki | 1,179.78 mi (1,898.67 km) |
| Idrija to Kauhava | 1,232.79 mi (1,983.98 km) |
| Idrija to Kauniainen | 1,074.67 mi (1,729.51 km) |
| Idrija to Kemi | 1,418.81 mi (2,283.35 km) |
| Idrija to Kemijarvi | 1,512.73 mi (2,434.51 km) |
| Idrija to Kempele | 1,376.73 mi (2,215.63 km) |
| Idrija to Kerava | 1,091.83 mi (1,757.13 km) |
| Idrija to Keuruu | 1,199.85 mi (1,930.97 km) |
| Idrija to Kiiminki | 1,393.83 mi (2,243.15 km) |
| Idrija to Kirkkonummi | 1,063.41 mi (1,711.39 km) |
| Idrija to Kitee | 1,281.84 mi (2,062.92 km) |
| Idrija to Kiuruvesi | 1,312.67 mi (2,112.54 km) |
| Idrija to Kivisto | 1,082.99 mi (1,742.90 km) |
