| Ostrow Mazowiecka to Bailey's Crossroads (Virginia) | 4,477.52 mi (7,205.87 km) |
| Ostrow Mazowiecka to Bainbridge (Georgia) | 5,168.91 mi (8,318.56 km) |
| Ostrow Mazowiecka to Bainbridge Island (Washington) | 5,188.53 mi (8,350.13 km) |
| Ostrow Mazowiecka to Baker (Louisiana) | 5,415.59 mi (8,715.55 km) |
| Ostrow Mazowiecka to Bakersfield (California) | 5,909.27 mi (9,510.05 km) |
| Ostrow Mazowiecka to Balch Springs (Texas) | 5,470.86 mi (8,804.49 km) |
| Ostrow Mazowiecka to Baldwin (New York) | 4,259.52 mi (6,855.03 km) |
| Ostrow Mazowiecka to Baldwin (Pennsylvania) | 4,497.28 mi (7,237.68 km) |
| Ostrow Mazowiecka to Baldwin Park (California) | 5,966.87 mi (9,602.75 km) |
| Ostrow Mazowiecka to Ballenger Creek (Maryland) | 4,460.13 mi (7,177.89 km) |
| Ostrow Mazowiecka to Ballwin (Missouri) | 4,943.81 mi (7,956.30 km) |
| Ostrow Mazowiecka to Baltimore (Maryland) | 4,435.51 mi (7,138.26 km) |
| Ostrow Mazowiecka to Bangor (Maine) | 3,882.48 mi (6,248.26 km) |
| Ostrow Mazowiecka to Banning (California) | 5,951.30 mi (9,577.69 km) |
| Ostrow Mazowiecka to Baraboo (Wisconsin) | 4,648.75 mi (7,481.44 km) |
