| Portsmouth to Borsbeek | 243.67 mi (392.14 km) |
| Portsmouth to Boussu | 215.57 mi (346.93 km) |
| Portsmouth to Braine-l'Alleud | 238.78 mi (384.27 km) |
| Portsmouth to Braine-le-Chateau | 234.18 mi (376.87 km) |
| Portsmouth to Braine-le-Comte | 228.84 mi (368.28 km) |
| Portsmouth to Brasschaat | 244.49 mi (393.47 km) |
| Portsmouth to Brecht | 251.08 mi (404.08 km) |
| Portsmouth to Bredene | 179.02 mi (288.10 km) |
| Portsmouth to Bree | 291.02 mi (468.34 km) |
| Portsmouth to Bruges | 189.47 mi (304.92 km) |
| Portsmouth to Brussels | 237.38 mi (382.02 km) |
| Portsmouth to Buggenhout | 230.72 mi (371.31 km) |
| Portsmouth to Chapelle-lez-Herlaimont | 236.46 mi (380.54 km) |
| Portsmouth to Charleroi | 243.65 mi (392.12 km) |
| Portsmouth to Chatelet | 247.28 mi (397.96 km) |
