| Ostrow Mazowiecka to Brownsburg (Indiana) | 4,741.07 mi (7,630.02 km) |
| Ostrow Mazowiecka to Brownsville (Florida) | 5,289.58 mi (8,512.76 km) |
| Ostrow Mazowiecka to Brownsville (Texas) | 5,890.54 mi (9,479.91 km) |
| Ostrow Mazowiecka to Brownwood (Texas) | 5,603.29 mi (9,017.63 km) |
| Ostrow Mazowiecka to Brunswick (Georgia) | 5,044.22 mi (8,117.89 km) |
| Ostrow Mazowiecka to Brunswick (Ohio) | 4,514.11 mi (7,264.75 km) |
| Ostrow Mazowiecka to Brushy Creek (Texas) | 5,634.99 mi (9,068.65 km) |
| Ostrow Mazowiecka to Bryan (Texas) | 5,582.88 mi (8,984.77 km) |
| Ostrow Mazowiecka to Bryant (Arkansas) | 5,230.38 mi (8,417.48 km) |
| Ostrow Mazowiecka to Bryn Mawr-Skyway (Washington) | 5,192.97 mi (8,357.27 km) |
| Ostrow Mazowiecka to Buckeye (Arizona) | 5,881.84 mi (9,465.90 km) |
| Ostrow Mazowiecka to Buckhall (Virginia) | 4,495.20 mi (7,234.33 km) |
| Ostrow Mazowiecka to Bucyrus (Ohio) | 4,576.04 mi (7,364.43 km) |
| Ostrow Mazowiecka to Buda (Texas) | 5,664.07 mi (9,115.44 km) |
| Ostrow Mazowiecka to Buena Park (California) | 5,981.95 mi (9,627.02 km) |
