| Cities | Distance |
|---|---|
| Heerlen to Nazarje | 516.47 mi (831.18 km) |
| Heerlen to Nova Gorica | 488.69 mi (786.47 km) |
| Heerlen to Nova Vas | 526.63 mi (847.54 km) |
| Heerlen to Novo Mesto | 548.14 mi (882.15 km) |
| Heerlen to Odranci | 554.35 mi (892.14 km) |
| Heerlen to Oplotnica | 531.54 mi (855.42 km) |
| Heerlen to Ormoz | 556.81 mi (896.09 km) |
| Heerlen to Osilnica | 545.14 mi (877.32 km) |
| Heerlen to Pesnica | 530.37 mi (853.55 km) |
| Heerlen to Piran | 508.30 mi (818.02 km) |
| Heerlen to Pivka | 520.77 mi (838.10 km) |
| Heerlen to Podcetrtek | 547.20 mi (880.63 km) |
| Heerlen to Podlehnik | 549.78 mi (884.78 km) |
| Heerlen to Podvelka | 518.52 mi (834.47 km) |
| Heerlen to Poljcane | 539.63 mi (868.45 km) |