| Fos-sur-Mer to Borsbeek | 535.60 mi (861.97 km) |
| Fos-sur-Mer to Boussu | 485.19 mi (780.84 km) |
| Fos-sur-Mer to Braine-l'Alleud | 500.00 mi (804.68 km) |
| Fos-sur-Mer to Braine-le-Chateau | 500.48 mi (805.44 km) |
| Fos-sur-Mer to Braine-le-Comte | 495.18 mi (796.91 km) |
| Fos-sur-Mer to Brasschaat | 542.02 mi (872.29 km) |
| Fos-sur-Mer to Brecht | 545.72 mi (878.26 km) |
| Fos-sur-Mer to Bredene | 545.28 mi (877.54 km) |
| Fos-sur-Mer to Bree | 531.40 mi (855.21 km) |
| Fos-sur-Mer to Bruges | 541.76 mi (871.88 km) |
| Fos-sur-Mer to Brussels | 511.51 mi (823.19 km) |
| Fos-sur-Mer to Buggenhout | 522.51 mi (840.90 km) |
| Fos-sur-Mer to Chapelle-lez-Herlaimont | 485.50 mi (781.33 km) |
| Fos-sur-Mer to Charleroi | 480.49 mi (773.28 km) |
| Fos-sur-Mer to Chatelet | 480.31 mi (772.99 km) |
