| Ostrow Mazowiecka to Beyne-Heusay | 710.26 mi (1,143.05 km) |
| Ostrow Mazowiecka to Bierbeek | 742.44 mi (1,194.84 km) |
| Ostrow Mazowiecka to Bilzen | 710.50 mi (1,143.45 km) |
| Ostrow Mazowiecka to Binche | 776.78 mi (1,250.10 km) |
| Ostrow Mazowiecka to Bissegem | 807.44 mi (1,299.45 km) |
| Ostrow Mazowiecka to Blankenberge | 802.47 mi (1,291.45 km) |
| Ostrow Mazowiecka to Blegny | 705.70 mi (1,135.72 km) |
| Ostrow Mazowiecka to Bocholt | 701.93 mi (1,129.65 km) |
| Ostrow Mazowiecka to Boechout | 748.10 mi (1,203.95 km) |
| Ostrow Mazowiecka to Bonheiden | 748.21 mi (1,204.13 km) |
| Ostrow Mazowiecka to Boom | 754.21 mi (1,213.79 km) |
| Ostrow Mazowiecka to Boortmeerbeek | 747.79 mi (1,203.45 km) |
| Ostrow Mazowiecka to Borgerhout | 748.74 mi (1,204.99 km) |
| Ostrow Mazowiecka to Borgloon | 719.06 mi (1,157.21 km) |
| Ostrow Mazowiecka to Bornem | 759.47 mi (1,222.25 km) |
