| Langenfeld to Kobarid | 452.03 mi (727.47 km) |
| Langenfeld to Kobilje | 526.47 mi (847.27 km) |
| Langenfeld to Kocevje | 523.62 mi (842.69 km) |
| Langenfeld to Komen | 480.43 mi (773.17 km) |
| Langenfeld to Komenda | 484.30 mi (779.41 km) |
| Langenfeld to Koper | 494.56 mi (795.91 km) |
| Langenfeld to Kostanjevica na Krki | 531.60 mi (855.52 km) |
| Langenfeld to Kostel | 532.25 mi (856.58 km) |
| Langenfeld to Kozje | 524.89 mi (844.73 km) |
| Langenfeld to Kranj | 477.41 mi (768.32 km) |
| Langenfeld to Kranjska Gora | 445.97 mi (717.72 km) |
| Langenfeld to Krizevci | 522.47 mi (840.83 km) |
| Langenfeld to Krsko | 528.40 mi (850.38 km) |
| Langenfeld to Kuzma | 508.49 mi (818.33 km) |
| Langenfeld to Lasko | 510.01 mi (820.79 km) |
