| Ostrow Mazowiecka to Bonnyrigg | 1,023.35 mi (1,646.92 km) |
| Ostrow Mazowiecka to Bootle | 1,027.69 mi (1,653.91 km) |
| Ostrow Mazowiecka to Borehamwood | 937.90 mi (1,509.40 km) |
| Ostrow Mazowiecka to Boscombe | 1,020.50 mi (1,642.33 km) |
| Ostrow Mazowiecka to Boston | 910.42 mi (1,465.19 km) |
| Ostrow Mazowiecka to Bottesford | 932.24 mi (1,500.29 km) |
| Ostrow Mazowiecka to Bourne | 927.22 mi (1,492.22 km) |
| Ostrow Mazowiecka to Bournemouth | 1,022.27 mi (1,645.18 km) |
| Ostrow Mazowiecka to Bournville | 995.67 mi (1,602.38 km) |
| Ostrow Mazowiecka to Bovingdon | 947.86 mi (1,525.43 km) |
| Ostrow Mazowiecka to Bowdon | 1,002.88 mi (1,613.99 km) |
| Ostrow Mazowiecka to Boxley | 909.92 mi (1,464.37 km) |
| Ostrow Mazowiecka to Brackley | 968.52 mi (1,558.68 km) |
| Ostrow Mazowiecka to Bracknell | 961.83 mi (1,547.92 km) |
| Ostrow Mazowiecka to Bradford | 974.45 mi (1,568.22 km) |
