| Herstal to Koscielisko | 639.35 mi (1,028.93 km) |
| Herstal to Koscierzyna | 571.69 mi (920.05 km) |
| Herstal to Kostrzyn | 511.61 mi (823.36 km) |
| Herstal to Kostrzyn nad Odra | 409.24 mi (658.60 km) |
| Herstal to Koszalin | 506.34 mi (814.87 km) |
| Herstal to Kowary | 445.83 mi (717.49 km) |
| Herstal to Kozienice | 692.45 mi (1,114.40 km) |
| Herstal to Kozuchow | 437.50 mi (704.10 km) |
| Herstal to Kozy | 598.68 mi (963.49 km) |
| Herstal to Krakow | 630.85 mi (1,015.25 km) |
| Herstal to Krapkowice | 540.82 mi (870.37 km) |
| Herstal to Krasnik | 722.99 mi (1,163.54 km) |
| Herstal to Krasnystaw | 764.48 mi (1,230.32 km) |
| Herstal to Krosno | 714.97 mi (1,150.63 km) |
| Herstal to Krosno Odrzanskie | 418.96 mi (674.25 km) |
