| Cities | Distance |
|---|---|
| Heerlen to Kobarid | 472.03 mi (759.66 km) |
| Heerlen to Kobilje | 555.02 mi (893.21 km) |
| Heerlen to Kocevje | 545.01 mi (877.11 km) |
| Heerlen to Komen | 499.29 mi (803.53 km) |
| Heerlen to Komenda | 506.92 mi (815.81 km) |
| Heerlen to Koper | 512.39 mi (824.62 km) |
| Heerlen to Kostanjevica na Krki | 555.11 mi (893.37 km) |
| Heerlen to Kostel | 553.30 mi (890.46 km) |
| Heerlen to Kozje | 549.52 mi (884.37 km) |
| Heerlen to Kranj | 499.66 mi (804.12 km) |
| Heerlen to Kranjska Gora | 467.59 mi (752.51 km) |
| Heerlen to Krizevci | 550.09 mi (885.29 km) |
| Heerlen to Krsko | 552.42 mi (889.03 km) |
| Heerlen to Kuzma | 536.99 mi (864.20 km) |
| Heerlen to Lasko | 534.20 mi (859.71 km) |