| Ostrow Mazowiecka to Borsbeek | 747.18 mi (1,202.47 km) |
| Ostrow Mazowiecka to Boussu | 791.45 mi (1,273.72 km) |
| Ostrow Mazowiecka to Braine-l'Alleud | 762.08 mi (1,226.45 km) |
| Ostrow Mazowiecka to Braine-le-Chateau | 766.40 mi (1,233.40 km) |
| Ostrow Mazowiecka to Braine-le-Comte | 773.74 mi (1,245.21 km) |
| Ostrow Mazowiecka to Brasschaat | 745.25 mi (1,199.37 km) |
| Ostrow Mazowiecka to Brecht | 738.24 mi (1,188.09 km) |
| Ostrow Mazowiecka to Bredene | 809.54 mi (1,302.84 km) |
| Ostrow Mazowiecka to Bree | 702.50 mi (1,130.56 km) |
| Ostrow Mazowiecka to Bruges | 799.61 mi (1,286.84 km) |
| Ostrow Mazowiecka to Brussels | 759.44 mi (1,222.20 km) |
| Ostrow Mazowiecka to Buggenhout | 762.77 mi (1,227.55 km) |
| Ostrow Mazowiecka to Chapelle-lez-Herlaimont | 770.42 mi (1,239.88 km) |
| Ostrow Mazowiecka to Charleroi | 765.69 mi (1,232.26 km) |
| Ostrow Mazowiecka to Chatelet | 762.22 mi (1,226.68 km) |
