| River Falls to Kidricevo | 4,775.74 mi (7,685.81 km) |
| River Falls to Kobarid | 4,706.33 mi (7,574.11 km) |
| River Falls to Kobilje | 4,782.77 mi (7,697.12 km) |
| River Falls to Kocevje | 4,779.74 mi (7,692.25 km) |
| River Falls to Komen | 4,732.66 mi (7,616.47 km) |
| River Falls to Komenda | 4,741.73 mi (7,631.07 km) |
| River Falls to Koper | 4,744.59 mi (7,635.68 km) |
| River Falls to Kostanjevica na Krki | 4,789.70 mi (7,708.28 km) |
| River Falls to Kostel | 4,787.91 mi (7,705.40 km) |
| River Falls to Kozje | 4,783.43 mi (7,698.18 km) |
| River Falls to Kranj | 4,734.50 mi (7,619.44 km) |
| River Falls to Kranjska Gora | 4,702.41 mi (7,567.81 km) |
| River Falls to Krizevci | 4,779.88 mi (7,692.47 km) |
| River Falls to Krsko | 4,786.75 mi (7,703.53 km) |
| River Falls to Kuzma | 4,764.97 mi (7,668.48 km) |
