| Ostrow Mazowiecka to Warka | 76.22 mi (122.67 km) |
| Ostrow Mazowiecka to Warsaw | 54.29 mi (87.38 km) |
| Ostrow Mazowiecka to Wasilkow | 61.03 mi (98.21 km) |
| Ostrow Mazowiecka to Wegorzewo | 98.08 mi (157.84 km) |
| Ostrow Mazowiecka to Wegrow | 28.07 mi (45.17 km) |
| Ostrow Mazowiecka to Wejherowo | 194.27 mi (312.65 km) |
| Ostrow Mazowiecka to Wieliczka | 209.65 mi (337.40 km) |
| Ostrow Mazowiecka to Wielun | 178.76 mi (287.68 km) |
| Ostrow Mazowiecka to Wieruszow | 190.04 mi (305.84 km) |
| Ostrow Mazowiecka to Wisla | 253.97 mi (408.73 km) |
| Ostrow Mazowiecka to Wladyslawowo | 198.69 mi (319.76 km) |
| Ostrow Mazowiecka to Wloclawek | 118.88 mi (191.32 km) |
| Ostrow Mazowiecka to Wlodawa | 111.11 mi (178.82 km) |
| Ostrow Mazowiecka to Wloszczowa | 157.75 mi (253.87 km) |
| Ostrow Mazowiecka to Wodzislaw Slaski | 243.96 mi (392.61 km) |
