| Cities | Distance |
|---|---|
| Heerlen to Oststeinbek | 255.19 mi (410.68 km) |
| Heerlen to Ottendorf-Okrilla | 341.24 mi (549.17 km) |
| Heerlen to Ottersberg | 203.95 mi (328.22 km) |
| Heerlen to Ottobrunn | 320.75 mi (516.20 km) |
| Heerlen to Ottweiler | 117.16 mi (188.56 km) |
| Heerlen to Overath | 57.54 mi (92.60 km) |
| Heerlen to Oyten | 198.27 mi (319.08 km) |
| Heerlen to Paderborn | 132.86 mi (213.82 km) |
| Heerlen to Papenburg | 162.45 mi (261.44 km) |
| Heerlen to Parchim | 303.41 mi (488.29 km) |
| Heerlen to Pasewalk | 384.38 mi (618.60 km) |
| Heerlen to Passau | 370.04 mi (595.51 km) |
| Heerlen to Pattensen | 188.46 mi (303.30 km) |
| Heerlen to Pegnitz | 257.34 mi (414.16 km) |
| Heerlen to Peine | 207.63 mi (334.15 km) |