| Ostrow Mazowiecka to Buenaventura Lakes (Florida) | 5,193.36 mi (8,357.90 km) |
| Ostrow Mazowiecka to Buffalo (Minnesota) | 4,676.38 mi (7,525.90 km) |
| Ostrow Mazowiecka to Buffalo (New York) | 4,327.76 mi (6,964.86 km) |
| Ostrow Mazowiecka to Buffalo Grove (Illinois) | 4,664.74 mi (7,507.18 km) |
| Ostrow Mazowiecka to Buford (Georgia) | 4,971.69 mi (8,001.17 km) |
| Ostrow Mazowiecka to Bull Run (Virginia) | 4,494.86 mi (7,233.77 km) |
| Ostrow Mazowiecka to Bullhead City (Arizona) | 5,822.48 mi (9,370.37 km) |
| Ostrow Mazowiecka to Burbank (California) | 5,968.00 mi (9,604.57 km) |
| Ostrow Mazowiecka to Burbank (Illinois) | 4,681.69 mi (7,534.45 km) |
| Ostrow Mazowiecka to Burien (Washington) | 5,195.85 mi (8,361.91 km) |
| Ostrow Mazowiecka to Burkburnett (Texas) | 5,452.16 mi (8,774.41 km) |
| Ostrow Mazowiecka to Burke (Virginia) | 4,485.89 mi (7,219.34 km) |
| Ostrow Mazowiecka to Burke Centre (Virginia) | 4,486.51 mi (7,220.34 km) |
| Ostrow Mazowiecka to Burleson (Texas) | 5,505.18 mi (8,859.74 km) |
| Ostrow Mazowiecka to Burley (Idaho) | 5,341.41 mi (8,596.16 km) |
