| Ostrow Mazowiecka to Barberton (Ohio) | 4,519.33 mi (7,273.16 km) |
| Ostrow Mazowiecka to Bardstown (Kentucky) | 4,820.08 mi (7,757.16 km) |
| Ostrow Mazowiecka to Barrington (Illinois) | 4,670.86 mi (7,517.02 km) |
| Ostrow Mazowiecka to Barstow (California) | 5,896.36 mi (9,489.28 km) |
| Ostrow Mazowiecka to Bartlesville (Oklahoma) | 5,217.62 mi (8,396.95 km) |
| Ostrow Mazowiecka to Bartlett (Illinois) | 4,682.68 mi (7,536.05 km) |
| Ostrow Mazowiecka to Bartlett (Tennessee) | 5,108.21 mi (8,220.87 km) |
| Ostrow Mazowiecka to Bartow (Florida) | 5,235.26 mi (8,425.34 km) |
| Ostrow Mazowiecka to Batavia (Illinois) | 4,693.19 mi (7,552.95 km) |
| Ostrow Mazowiecka to Batavia (New York) | 4,300.12 mi (6,920.37 km) |
| Ostrow Mazowiecka to Batesville (Arkansas) | 5,136.95 mi (8,267.12 km) |
| Ostrow Mazowiecka to Baton Rouge (Louisiana) | 5,422.70 mi (8,727.00 km) |
| Ostrow Mazowiecka to Battle Creek (Michigan) | 4,570.51 mi (7,355.53 km) |
| Ostrow Mazowiecka to Battle Ground (Washington) | 5,308.74 mi (8,543.59 km) |
| Ostrow Mazowiecka to Bay City (Michigan) | 4,458.52 mi (7,175.30 km) |
