| Ostrow Mazowiecka to Wolomin | 41.37 mi (66.58 km) |
| Ostrow Mazowiecka to Wolow | 245.45 mi (395.02 km) |
| Ostrow Mazowiecka to Wolsztyn | 247.95 mi (399.03 km) |
| Ostrow Mazowiecka to Wroclaw | 237.82 mi (382.73 km) |
| Ostrow Mazowiecka to Wronki | 230.76 mi (371.38 km) |
| Ostrow Mazowiecka to Wrzesnia | 184.11 mi (296.29 km) |
| Ostrow Mazowiecka to Wschowa | 245.74 mi (395.49 km) |
| Ostrow Mazowiecka to Wysokie Mazowieckie | 26.92 mi (43.33 km) |
| Ostrow Mazowiecka to Wyszkow | 23.39 mi (37.64 km) |
| Ostrow Mazowiecka to Zabki | 48.09 mi (77.40 km) |
| Ostrow Mazowiecka to Zabkowice Slaskie | 266.09 mi (428.24 km) |
| Ostrow Mazowiecka to Zabrze | 218.51 mi (351.66 km) |
| Ostrow Mazowiecka to Zagan | 290.36 mi (467.29 km) |
| Ostrow Mazowiecka to Zakopane | 256.20 mi (412.32 km) |
| Ostrow Mazowiecka to Zambrow | 19.32 mi (31.09 km) |
