| Heerlerbaan to Orzesze | 561.28 mi (903.29 km) |
| Heerlerbaan to Osowa | 576.24 mi (927.37 km) |
| Heerlerbaan to Ostroda | 620.27 mi (998.22 km) |
| Heerlerbaan to Ostroleka | 677.93 mi (1,091.02 km) |
| Heerlerbaan to Ostrow Mazowiecka | 689.90 mi (1,110.28 km) |
| Heerlerbaan to Ostrow Wielkopolski | 512.75 mi (825.18 km) |
| Heerlerbaan to Ostrowiec Swietokrzyski | 669.39 mi (1,077.28 km) |
| Heerlerbaan to Ostrzeszow | 517.64 mi (833.06 km) |
| Heerlerbaan to Oswiecim | 583.22 mi (938.60 km) |
| Heerlerbaan to Otwock | 660.69 mi (1,063.27 km) |
| Heerlerbaan to Ozarow Mazowiecki | 641.16 mi (1,031.84 km) |
| Heerlerbaan to Ozimek | 532.78 mi (857.42 km) |
| Heerlerbaan to Ozorkow | 576.10 mi (927.14 km) |
| Heerlerbaan to Pabianice | 579.91 mi (933.28 km) |
| Heerlerbaan to Parczew | 729.25 mi (1,173.62 km) |
