| Olonne-sur-Mer to Borsbeek | 429.44 mi (691.12 km) |
| Olonne-sur-Mer to Boussu | 370.67 mi (596.53 km) |
| Olonne-sur-Mer to Braine-l'Alleud | 400.74 mi (644.92 km) |
| Olonne-sur-Mer to Braine-le-Chateau | 397.53 mi (639.76 km) |
| Olonne-sur-Mer to Braine-le-Comte | 389.33 mi (626.56 km) |
| Olonne-sur-Mer to Brasschaat | 434.29 mi (698.92 km) |
| Olonne-sur-Mer to Brecht | 441.42 mi (710.39 km) |
| Olonne-sur-Mer to Bredene | 389.54 mi (626.91 km) |
| Olonne-sur-Mer to Bree | 460.91 mi (741.76 km) |
| Olonne-sur-Mer to Bruges | 394.52 mi (634.92 km) |
| Olonne-sur-Mer to Brussels | 408.08 mi (656.75 km) |
| Olonne-sur-Mer to Buggenhout | 410.96 mi (661.38 km) |
| Olonne-sur-Mer to Chapelle-lez-Herlaimont | 387.87 mi (624.21 km) |
| Olonne-sur-Mer to Charleroi | 389.76 mi (627.26 km) |
| Olonne-sur-Mer to Chatelet | 392.55 mi (631.74 km) |
