| South River to Kidricevo | 4,289.41 mi (6,903.13 km) |
| South River to Kobarid | 4,203.16 mi (6,764.33 km) |
| South River to Kobilje | 4,304.04 mi (6,926.68 km) |
| South River to Kocevje | 4,277.31 mi (6,883.67 km) |
| South River to Komen | 4,225.05 mi (6,799.55 km) |
| South River to Komenda | 4,244.40 mi (6,830.70 km) |
| South River to Koper | 4,233.44 mi (6,813.07 km) |
| South River to Kostanjevica na Krki | 4,293.68 mi (6,910.01 km) |
| South River to Kostel | 4,284.12 mi (6,894.62 km) |
| South River to Kozje | 4,291.22 mi (6,906.05 km) |
| South River to Kranj | 4,236.36 mi (6,817.77 km) |
| South River to Kranjska Gora | 4,203.73 mi (6,765.25 km) |
| South River to Krizevci | 4,297.87 mi (6,916.75 km) |
| South River to Krsko | 4,292.45 mi (6,908.03 km) |
| South River to Kuzma | 4,286.06 mi (6,897.75 km) |
