| Heerlen to Koscielisko | 625.12 mi (1,006.03 km) |
| Heerlen to Koscierzyna | 551.06 mi (886.85 km) |
| Heerlen to Kostrzyn | 492.56 mi (792.70 km) |
| Heerlen to Kostrzyn nad Odra | 389.49 mi (626.83 km) |
| Heerlen to Koszalin | 485.40 mi (781.17 km) |
| Heerlen to Kowary | 429.52 mi (691.25 km) |
| Heerlen to Kozienice | 674.63 mi (1,085.71 km) |
| Heerlen to Kozuchow | 419.27 mi (674.75 km) |
| Heerlen to Kozy | 583.63 mi (939.27 km) |
| Heerlen to Krakow | 615.31 mi (990.24 km) |
| Heerlen to Krapkowice | 524.91 mi (844.76 km) |
| Heerlen to Krasnik | 705.95 mi (1,136.12 km) |
| Heerlen to Krasnystaw | 747.29 mi (1,202.65 km) |
| Heerlen to Krosno | 699.66 mi (1,125.99 km) |
| Heerlen to Krosno Odrzanskie | 400.16 mi (643.99 km) |
