| Ostrow Mazowiecka to Marianske Lazne | 441.98 mi (711.29 km) |
| Ostrow Mazowiecka to Melnik | 360.75 mi (580.57 km) |
| Ostrow Mazowiecka to Milovice | 349.80 mi (562.96 km) |
| Ostrow Mazowiecka to Mlada Boleslav | 342.32 mi (550.91 km) |
| Ostrow Mazowiecka to Mnichovo Hradiste | 335.70 mi (540.26 km) |
| Ostrow Mazowiecka to Mohelnice | 299.77 mi (482.44 km) |
| Ostrow Mazowiecka to Moravska Trebova | 308.69 mi (496.79 km) |
| Ostrow Mazowiecka to Most | 387.86 mi (624.20 km) |
| Ostrow Mazowiecka to Nachod | 296.03 mi (476.42 km) |
| Ostrow Mazowiecka to Neratovice | 362.39 mi (583.21 km) |
| Ostrow Mazowiecka to Nova Paka | 316.54 mi (509.43 km) |
| Ostrow Mazowiecka to Nove Mesto na Morave | 337.06 mi (542.44 km) |
| Ostrow Mazowiecka to Nove Mesto nad Metuji | 299.39 mi (481.83 km) |
| Ostrow Mazowiecka to Novy Bor | 344.00 mi (553.61 km) |
| Ostrow Mazowiecka to Novy Jicin | 278.15 mi (447.65 km) |
