| Ostrow Mazowiecka to Blackburn | 1,004.55 mi (1,616.66 km) |
| Ostrow Mazowiecka to Blackpool | 1,027.12 mi (1,652.99 km) |
| Ostrow Mazowiecka to Blairgowrie | 1,034.83 mi (1,665.40 km) |
| Ostrow Mazowiecka to Blandford Forum | 1,031.41 mi (1,659.89 km) |
| Ostrow Mazowiecka to Blaydon | 968.70 mi (1,558.97 km) |
| Ostrow Mazowiecka to Bletchley | 951.83 mi (1,531.83 km) |
| Ostrow Mazowiecka to Bloxwich | 996.16 mi (1,603.16 km) |
| Ostrow Mazowiecka to Blunsdon Saint Andrew | 1,001.89 mi (1,612.39 km) |
| Ostrow Mazowiecka to Blyth | 960.49 mi (1,545.76 km) |
| Ostrow Mazowiecka to Bo'ness | 1,043.18 mi (1,678.83 km) |
| Ostrow Mazowiecka to Bodmin | 1,146.13 mi (1,844.52 km) |
| Ostrow Mazowiecka to Bognor Regis | 970.73 mi (1,562.24 km) |
| Ostrow Mazowiecka to Bolsover | 960.06 mi (1,545.07 km) |
| Ostrow Mazowiecka to Bolton | 1,003.72 mi (1,615.33 km) |
| Ostrow Mazowiecka to Bonhill | 1,080.14 mi (1,738.32 km) |
