| Ostrow Mazowiecka to Beverly Hills (Florida) | 5,201.89 mi (8,371.63 km) |
| Ostrow Mazowiecka to Beverly Hills (Michigan) | 4,493.96 mi (7,232.33 km) |
| Ostrow Mazowiecka to Bexley (Ohio) | 4,619.54 mi (7,434.43 km) |
| Ostrow Mazowiecka to Biddeford (Maine) | 4,007.20 mi (6,448.97 km) |
| Ostrow Mazowiecka to Big Bear City (California) | 5,929.33 mi (9,542.33 km) |
| Ostrow Mazowiecka to Big Lake (Minnesota) | 4,663.85 mi (7,505.74 km) |
| Ostrow Mazowiecka to Big Spring (Texas) | 5,648.15 mi (9,089.82 km) |
| Ostrow Mazowiecka to Billings (Montana) | 5,022.97 mi (8,083.70 km) |
| Ostrow Mazowiecka to Biloxi (Mississippi) | 5,348.22 mi (8,607.12 km) |
| Ostrow Mazowiecka to Binghamton (New York) | 4,267.60 mi (6,868.04 km) |
| Ostrow Mazowiecka to Birmingham (Alabama) | 5,101.56 mi (8,210.16 km) |
| Ostrow Mazowiecka to Birmingham (Michigan) | 4,491.93 mi (7,229.05 km) |
| Ostrow Mazowiecka to Bismarck (North Dakota) | 4,771.40 mi (7,678.82 km) |
| Ostrow Mazowiecka to Bithlo (Florida) | 5,171.66 mi (8,322.98 km) |
| Ostrow Mazowiecka to Bixby (Oklahoma) | 5,261.13 mi (8,466.96 km) |
