| Heerenveen to Orzesze | 582.69 mi (937.76 km) |
| Heerenveen to Osowa | 522.29 mi (840.54 km) |
| Heerenveen to Ostroda | 580.48 mi (934.20 km) |
| Heerenveen to Ostroleka | 648.69 mi (1,043.97 km) |
| Heerenveen to Ostrow Mazowiecka | 664.55 mi (1,069.48 km) |
| Heerenveen to Ostrow Wielkopolski | 509.45 mi (819.88 km) |
| Heerenveen to Ostrowiec Swietokrzyski | 671.94 mi (1,081.39 km) |
| Heerenveen to Ostrzeszow | 518.63 mi (834.65 km) |
| Heerenveen to Oswiecim | 604.92 mi (973.52 km) |
| Heerenveen to Otwock | 645.78 mi (1,039.28 km) |
| Heerenveen to Ozarow Mazowiecki | 625.05 mi (1,005.92 km) |
| Heerenveen to Ozimek | 546.85 mi (880.07 km) |
| Heerenveen to Ozorkow | 565.31 mi (909.77 km) |
| Heerenveen to Pabianice | 574.47 mi (924.52 km) |
| Heerenveen to Parczew | 719.66 mi (1,158.18 km) |
