| Wassenaar to Orzesze | 635.97 mi (1,023.50 km) |
| Wassenaar to Osowa | 600.94 mi (967.12 km) |
| Wassenaar to Ostroda | 655.82 mi (1,055.43 km) |
| Wassenaar to Ostroleka | 721.31 mi (1,160.83 km) |
| Wassenaar to Ostrow Mazowiecka | 736.03 mi (1,184.53 km) |
| Wassenaar to Ostrow Wielkopolski | 572.21 mi (920.88 km) |
| Wassenaar to Ostrowiec Swietokrzyski | 733.63 mi (1,180.67 km) |
| Wassenaar to Ostrzeszow | 579.83 mi (933.14 km) |
| Wassenaar to Oswiecim | 658.24 mi (1,059.33 km) |
| Wassenaar to Otwock | 713.73 mi (1,148.63 km) |
| Wassenaar to Ozarow Mazowiecki | 693.29 mi (1,115.75 km) |
| Wassenaar to Ozimek | 603.00 mi (970.43 km) |
| Wassenaar to Ozorkow | 631.30 mi (1,015.98 km) |
| Wassenaar to Pabianice | 638.58 mi (1,027.69 km) |
| Wassenaar to Parczew | 786.12 mi (1,265.13 km) |
