| Ostrow Mazowiecka to Blansko | 329.16 mi (529.73 km) |
| Ostrow Mazowiecka to Bohumin | 251.73 mi (405.11 km) |
| Ostrow Mazowiecka to Boskovice | 322.29 mi (518.68 km) |
| Ostrow Mazowiecka to Brandys nad Labem-Stara Boleslav | 359.39 mi (578.39 km) |
| Ostrow Mazowiecka to Breclav | 354.82 mi (571.02 km) |
| Ostrow Mazowiecka to Brevnov | 374.87 mi (603.30 km) |
| Ostrow Mazowiecka to Brno | 339.06 mi (545.66 km) |
| Ostrow Mazowiecka to Bruntal | 272.49 mi (438.53 km) |
| Ostrow Mazowiecka to Bystrc | 339.88 mi (546.98 km) |
| Ostrow Mazowiecka to Caslav | 344.18 mi (553.90 km) |
| Ostrow Mazowiecka to Celakovice | 357.41 mi (575.20 km) |
| Ostrow Mazowiecka to Ceska Lipa | 346.86 mi (558.21 km) |
| Ostrow Mazowiecka to Ceska Trebova | 308.82 mi (497.00 km) |
| Ostrow Mazowiecka to Ceske Budejovice | 417.49 mi (671.89 km) |
| Ostrow Mazowiecka to Cesky Krumlov | 430.46 mi (692.76 km) |
