| Ostrow Mazowiecka to Brie-Comte-Robert | 886.56 mi (1,426.78 km) |
| Ostrow Mazowiecka to Brignais | 913.39 mi (1,469.96 km) |
| Ostrow Mazowiecka to Brignoles | 973.55 mi (1,566.77 km) |
| Ostrow Mazowiecka to Brive-la-Gaillarde | 1,058.54 mi (1,703.55 km) |
| Ostrow Mazowiecka to Bron | 904.55 mi (1,455.73 km) |
| Ostrow Mazowiecka to Bruay-sur-l'Escaut | 802.92 mi (1,292.18 km) |
| Ostrow Mazowiecka to Bruges | 1,153.85 mi (1,856.94 km) |
| Ostrow Mazowiecka to Brumath | 679.39 mi (1,093.37 km) |
| Ostrow Mazowiecka to Brunoy | 890.77 mi (1,433.56 km) |
| Ostrow Mazowiecka to Bruz | 1,086.40 mi (1,748.40 km) |
| Ostrow Mazowiecka to Bry-sur-Marne | 885.77 mi (1,425.51 km) |
| Ostrow Mazowiecka to Bully-les-Mines | 835.91 mi (1,345.27 km) |
| Ostrow Mazowiecka to Bures-sur-Yvette | 904.89 mi (1,456.29 km) |
| Ostrow Mazowiecka to Bussy-Saint-Georges | 878.50 mi (1,413.81 km) |
| Ostrow Mazowiecka to Buxerolles | 1,048.89 mi (1,688.03 km) |
