| Ostrow Mazowiecka to Barberino di Mugello | 778.51 mi (1,252.89 km) |
| Ostrow Mazowiecka to Barcellona-Pozzo di Gotto | 1,061.61 mi (1,708.50 km) |
| Ostrow Mazowiecka to Bareggio | 771.07 mi (1,240.92 km) |
| Ostrow Mazowiecka to Barga | 796.43 mi (1,281.74 km) |
| Ostrow Mazowiecka to Bari | 840.31 mi (1,352.35 km) |
| Ostrow Mazowiecka to Barletta | 835.66 mi (1,344.87 km) |
| Ostrow Mazowiecka to Baronissi | 897.50 mi (1,444.39 km) |
| Ostrow Mazowiecka to Barrafranca | 1,129.00 mi (1,816.95 km) |
| Ostrow Mazowiecka to Bassano del Grappa | 666.66 mi (1,072.88 km) |
| Ostrow Mazowiecka to Battipaglia | 902.30 mi (1,452.11 km) |
| Ostrow Mazowiecka to Beinasco | 841.10 mi (1,353.61 km) |
| Ostrow Mazowiecka to Bellinzago Novarese | 777.30 mi (1,250.94 km) |
| Ostrow Mazowiecka to Belluno | 631.99 mi (1,017.09 km) |
| Ostrow Mazowiecka to Belmonte Mezzagno | 1,097.80 mi (1,766.73 km) |
| Ostrow Mazowiecka to Belpasso | 1,102.74 mi (1,774.69 km) |
