| Ostrow Mazowiecka to Boppard | 639.11 mi (1,028.54 km) |
| Ostrow Mazowiecka to Borgentreich | 541.90 mi (872.10 km) |
| Ostrow Mazowiecka to Borgholzhausen | 573.86 mi (923.54 km) |
| Ostrow Mazowiecka to Borken | 637.28 mi (1,025.60 km) |
| Ostrow Mazowiecka to Borna | 416.44 mi (670.19 km) |
| Ostrow Mazowiecka to Bornheim | 650.87 mi (1,047.48 km) |
| Ostrow Mazowiecka to Bosel | 580.45 mi (934.14 km) |
| Ostrow Mazowiecka to Bottrop | 639.68 mi (1,029.46 km) |
| Ostrow Mazowiecka to Bovenden | 513.51 mi (826.42 km) |
| Ostrow Mazowiecka to Brackenheim | 613.77 mi (987.77 km) |
| Ostrow Mazowiecka to Brake | 557.42 mi (897.07 km) |
| Ostrow Mazowiecka to Brakel | 542.27 mi (872.70 km) |
| Ostrow Mazowiecka to Bramsche | 583.76 mi (939.47 km) |
| Ostrow Mazowiecka to Brand | 685.99 mi (1,103.99 km) |
| Ostrow Mazowiecka to Brand-Erbisdorf | 389.50 mi (626.83 km) |
