| Orsay to Borsbeek | 200.73 mi (323.04 km) |
| Orsay to Boussu | 139.87 mi (225.10 km) |
| Orsay to Braine-l'Alleud | 168.19 mi (270.68 km) |
| Orsay to Braine-le-Chateau | 165.67 mi (266.62 km) |
| Orsay to Braine-le-Comte | 157.61 mi (253.65 km) |
| Orsay to Brasschaat | 206.38 mi (332.13 km) |
| Orsay to Brecht | 212.95 mi (342.71 km) |
| Orsay to Bredene | 178.65 mi (287.51 km) |
| Orsay to Bree | 226.08 mi (363.84 km) |
| Orsay to Bruges | 179.49 mi (288.86 km) |
| Orsay to Brussels | 177.10 mi (285.02 km) |
| Orsay to Buggenhout | 182.56 mi (293.80 km) |
| Orsay to Chapelle-lez-Herlaimont | 154.09 mi (247.98 km) |
| Orsay to Charleroi | 154.78 mi (249.10 km) |
| Orsay to Chatelet | 157.24 mi (253.05 km) |
