| Ostrow Mazowiecka to Zamosc | 155.13 mi (249.65 km) |
| Ostrow Mazowiecka to Zary | 297.45 mi (478.69 km) |
| Ostrow Mazowiecka to Zawiercie | 191.25 mi (307.79 km) |
| Ostrow Mazowiecka to Zdunska Wola | 149.33 mi (240.32 km) |
| Ostrow Mazowiecka to Zdzieszowice | 230.84 mi (371.50 km) |
| Ostrow Mazowiecka to Zgierz | 123.70 mi (199.08 km) |
| Ostrow Mazowiecka to Zgorzelec | 314.54 mi (506.20 km) |
| Ostrow Mazowiecka to Ziebice | 257.86 mi (414.98 km) |
| Ostrow Mazowiecka to Zielona Gora | 276.47 mi (444.93 km) |
| Ostrow Mazowiecka to Zielonka | 46.47 mi (74.79 km) |
| Ostrow Mazowiecka to Zlocieniec | 248.94 mi (400.62 km) |
| Ostrow Mazowiecka to Zlotoryja | 279.42 mi (449.68 km) |
| Ostrow Mazowiecka to Zlotow | 205.32 mi (330.42 km) |
| Ostrow Mazowiecka to Znin | 175.36 mi (282.21 km) |
| Ostrow Mazowiecka to Zory | 234.70 mi (377.72 km) |
