| Ostrow Mazowiecka to Beausoleil | 910.61 mi (1,465.48 km) |
| Ostrow Mazowiecka to Beauvais | 886.82 mi (1,427.20 km) |
| Ostrow Mazowiecka to Begles | 1,154.35 mi (1,857.74 km) |
| Ostrow Mazowiecka to Belfort | 752.79 mi (1,211.49 km) |
| Ostrow Mazowiecka to Bellegarde-sur-Valserine | 854.44 mi (1,375.09 km) |
| Ostrow Mazowiecka to Bellerive-sur-Allier | 946.46 mi (1,523.19 km) |
| Ostrow Mazowiecka to Bellevue | 890.53 mi (1,433.17 km) |
| Ostrow Mazowiecka to Belley | 874.75 mi (1,407.78 km) |
| Ostrow Mazowiecka to Berck-sur-Mer | 883.85 mi (1,422.43 km) |
| Ostrow Mazowiecka to Bergerac | 1,112.35 mi (1,790.16 km) |
| Ostrow Mazowiecka to Bernay | 958.16 mi (1,542.01 km) |
| Ostrow Mazowiecka to Berre-l'Etang | 1,000.84 mi (1,610.70 km) |
| Ostrow Mazowiecka to Besancon | 800.40 mi (1,288.12 km) |
| Ostrow Mazowiecka to Bethune | 837.47 mi (1,347.77 km) |
| Ostrow Mazowiecka to Betton | 1,077.36 mi (1,733.85 km) |
