| Helsinki to Kobarid | 1,067.31 mi (1,717.67 km) |
| Helsinki to Kobilje | 994.09 mi (1,599.83 km) |
| Helsinki to Kocevje | 1,085.23 mi (1,746.50 km) |
| Helsinki to Komen | 1,092.06 mi (1,757.50 km) |
| Helsinki to Komenda | 1,053.54 mi (1,695.51 km) |
| Helsinki to Koper | 1,109.55 mi (1,785.65 km) |
| Helsinki to Kostanjevica na Krki | 1,063.29 mi (1,711.20 km) |
| Helsinki to Kostel | 1,093.23 mi (1,759.38 km) |
| Helsinki to Kozje | 1,046.34 mi (1,683.91 km) |
| Helsinki to Kranj | 1,054.69 mi (1,697.36 km) |
| Helsinki to Kranjska Gora | 1,048.29 mi (1,687.06 km) |
| Helsinki to Krizevci | 1,005.67 mi (1,618.47 km) |
| Helsinki to Krsko | 1,055.61 mi (1,698.84 km) |
| Helsinki to Kuzma | 988.72 mi (1,591.19 km) |
| Helsinki to Lasko | 1,045.78 mi (1,683.03 km) |
