| Cities | Distance |
|---|---|
| Heerlen to Krotoszyn | 497.38 mi (800.45 km) |
| Heerlen to Kruszwica | 541.37 mi (871.25 km) |
| Heerlen to Krynica | 669.44 mi (1,077.36 km) |
| Heerlen to Krzeszowice | 601.16 mi (967.48 km) |
| Heerlen to Kudowa-Zdroj | 449.89 mi (724.03 km) |
| Heerlen to Kutno | 581.55 mi (935.92 km) |
| Heerlen to Kwidzyn | 580.36 mi (934.01 km) |
| Heerlen to Lancut | 715.31 mi (1,151.18 km) |
| Heerlen to Lapy | 732.62 mi (1,179.03 km) |
| Heerlen to Lask | 570.18 mi (917.61 km) |
| Heerlen to Laziska Gorne | 566.82 mi (912.20 km) |
| Heerlen to Lebork | 552.87 mi (889.77 km) |
| Heerlen to Leczna | 732.33 mi (1,178.58 km) |
| Heerlen to Leczyca | 573.75 mi (923.36 km) |
| Heerlen to Legionowo | 646.22 mi (1,039.98 km) |