| Ostrow Mazowiecka to Borgosatollo | 728.99 mi (1,173.20 km) |
| Ostrow Mazowiecka to Borgosesia | 783.59 mi (1,261.07 km) |
| Ostrow Mazowiecka to Boscoreale | 901.28 mi (1,450.47 km) |
| Ostrow Mazowiecka to Boscotrecase | 900.50 mi (1,449.22 km) |
| Ostrow Mazowiecka to Botticino Sera | 726.27 mi (1,168.82 km) |
| Ostrow Mazowiecka to Bovalino Marina | 1,048.80 mi (1,687.88 km) |
| Ostrow Mazowiecka to Boves | 876.15 mi (1,410.02 km) |
| Ostrow Mazowiecka to Boville Ernica | 864.70 mi (1,391.60 km) |
| Ostrow Mazowiecka to Bovisio Masciago | 758.02 mi (1,219.92 km) |
| Ostrow Mazowiecka to Bovolone | 712.71 mi (1,147.00 km) |
| Ostrow Mazowiecka to Bra | 847.58 mi (1,364.05 km) |
| Ostrow Mazowiecka to Bracciano | 865.83 mi (1,393.42 km) |
| Ostrow Mazowiecka to Brandizzo | 824.50 mi (1,326.90 km) |
| Ostrow Mazowiecka to Breganze | 675.36 mi (1,086.89 km) |
| Ostrow Mazowiecka to Brembate | 745.39 mi (1,199.59 km) |
