| Saint-Cyr-sur-Mer to Borsbeek | 556.84 mi (896.14 km) |
| Saint-Cyr-sur-Mer to Boussu | 508.94 mi (819.07 km) |
| Saint-Cyr-sur-Mer to Braine-l'Alleud | 521.79 mi (839.75 km) |
| Saint-Cyr-sur-Mer to Braine-le-Chateau | 522.60 mi (841.04 km) |
| Saint-Cyr-sur-Mer to Braine-le-Comte | 517.76 mi (833.26 km) |
| Saint-Cyr-sur-Mer to Brasschaat | 563.20 mi (906.39 km) |
| Saint-Cyr-sur-Mer to Brecht | 566.47 mi (911.65 km) |
| Saint-Cyr-sur-Mer to Bredene | 570.69 mi (918.44 km) |
| Saint-Cyr-sur-Mer to Bree | 549.30 mi (884.02 km) |
| Saint-Cyr-sur-Mer to Bruges | 566.54 mi (911.76 km) |
| Saint-Cyr-sur-Mer to Brussels | 533.28 mi (858.24 km) |
| Saint-Cyr-sur-Mer to Buggenhout | 544.67 mi (876.56 km) |
| Saint-Cyr-sur-Mer to Chapelle-lez-Herlaimont | 507.68 mi (817.03 km) |
| Saint-Cyr-sur-Mer to Charleroi | 502.22 mi (808.25 km) |
| Saint-Cyr-sur-Mer to Chatelet | 501.76 mi (807.51 km) |
