| Ostend to Bouguenais | 346.64 mi (557.87 km) |
| Ostend to Boulogne-Billancourt | 167.90 mi (270.20 km) |
| Ostend to Boulogne-sur-Mer | 66.42 mi (106.90 km) |
| Ostend to Bourg-de-Peage | 438.64 mi (705.93 km) |
| Ostend to Bourg-en-Bresse | 362.44 mi (583.29 km) |
| Ostend to Bourg-la-Reine | 171.13 mi (275.41 km) |
| Ostend to Bourg-les-Valence | 443.23 mi (713.30 km) |
| Ostend to Bourges | 287.12 mi (462.07 km) |
| Ostend to Bourgoin-Jallieu | 404.29 mi (650.65 km) |
| Ostend to Bressuire | 340.00 mi (547.17 km) |
| Ostend to Brest | 383.85 mi (617.74 km) |
| Ostend to Bretigny-sur-Orge | 182.69 mi (294.00 km) |
| Ostend to Breuillet | 186.76 mi (300.55 km) |
| Ostend to Briancon | 469.66 mi (755.84 km) |
| Ostend to Brie-Comte-Robert | 175.57 mi (282.55 km) |
