| Ostrow Mazowiecka to Bountiful (Utah) | 5,401.07 mi (8,692.19 km) |
| Ostrow Mazowiecka to Bourbonnais (Illinois) | 4,715.80 mi (7,589.35 km) |
| Ostrow Mazowiecka to Bowie (Maryland) | 4,458.10 mi (7,174.62 km) |
| Ostrow Mazowiecka to Bowling Green (Kentucky) | 4,899.31 mi (7,884.67 km) |
| Ostrow Mazowiecka to Bowling Green (Ohio) | 4,568.09 mi (7,351.64 km) |
| Ostrow Mazowiecka to Box Elder (South Dakota) | 4,989.08 mi (8,029.15 km) |
| Ostrow Mazowiecka to Boynton Beach (Florida) | 5,244.79 mi (8,440.68 km) |
| Ostrow Mazowiecka to Bozeman (Montana) | 5,086.35 mi (8,185.69 km) |
| Ostrow Mazowiecka to Bradenton (Florida) | 5,284.98 mi (8,505.35 km) |
| Ostrow Mazowiecka to Bradfordville (Florida) | 5,174.10 mi (8,326.90 km) |
| Ostrow Mazowiecka to Bradley (Illinois) | 4,715.78 mi (7,589.31 km) |
| Ostrow Mazowiecka to Bradley Gardens (New Jersey) | 4,301.45 mi (6,922.51 km) |
| Ostrow Mazowiecka to Brainerd (Minnesota) | 4,620.23 mi (7,435.55 km) |
| Ostrow Mazowiecka to Brambleton (Virginia) | 4,484.87 mi (7,217.70 km) |
| Ostrow Mazowiecka to Brandermill (Virginia) | 4,569.84 mi (7,354.45 km) |
