| Oosterend to Orzesze | 578.26 mi (930.63 km) |
| Oosterend to Osowa | 515.94 mi (830.32 km) |
| Oosterend to Ostroda | 574.36 mi (924.35 km) |
| Oosterend to Ostroleka | 642.76 mi (1,034.42 km) |
| Oosterend to Ostrow Mazowiecka | 658.69 mi (1,060.06 km) |
| Oosterend to Ostrow Wielkopolski | 504.31 mi (811.61 km) |
| Oosterend to Ostrowiec Swietokrzyski | 666.82 mi (1,073.15 km) |
| Oosterend to Ostrzeszow | 513.60 mi (826.57 km) |
| Oosterend to Oswiecim | 600.47 mi (966.37 km) |
| Oosterend to Otwock | 640.19 mi (1,030.28 km) |
| Oosterend to Ozarow Mazowiecki | 619.44 mi (996.90 km) |
| Oosterend to Ozimek | 542.21 mi (872.61 km) |
| Oosterend to Ozorkow | 559.89 mi (901.05 km) |
| Oosterend to Pabianice | 569.19 mi (916.03 km) |
| Oosterend to Parczew | 714.16 mi (1,149.33 km) |
