| Hardenberg to Kobarid | 536.72 mi (863.77 km) |
| Hardenberg to Kobilje | 596.35 mi (959.74 km) |
| Hardenberg to Kocevje | 605.71 mi (974.79 km) |
| Hardenberg to Komen | 566.26 mi (911.31 km) |
| Hardenberg to Komenda | 565.02 mi (909.31 km) |
| Hardenberg to Koper | 581.49 mi (935.82 km) |
| Hardenberg to Kostanjevica na Krki | 610.42 mi (982.37 km) |
| Hardenberg to Kostel | 614.72 mi (989.30 km) |
| Hardenberg to Kozje | 601.97 mi (968.78 km) |
| Hardenberg to Kranj | 558.74 mi (899.20 km) |
| Hardenberg to Kranjska Gora | 528.57 mi (850.65 km) |
| Hardenberg to Krizevci | 594.22 mi (956.30 km) |
| Hardenberg to Krsko | 606.45 mi (975.99 km) |
| Hardenberg to Kuzma | 578.70 mi (931.32 km) |
| Hardenberg to Lasko | 588.00 mi (946.29 km) |
