| Portsmouth to Bagnolet | 205.64 mi (330.94 km) |
| Portsmouth to Bagnols-sur-Ceze | 530.38 mi (853.57 km) |
| Portsmouth to Bailleul | 167.01 mi (268.78 km) |
| Portsmouth to Balma | 511.68 mi (823.46 km) |
| Portsmouth to Bar-le-Duc | 312.25 mi (502.52 km) |
| Portsmouth to Barentin | 125.49 mi (201.96 km) |
| Portsmouth to Basse-Goulaine | 248.67 mi (400.20 km) |
| Portsmouth to Bastia | 748.49 mi (1,204.58 km) |
| Portsmouth to Bayeux | 106.88 mi (172.01 km) |
| Portsmouth to Bayonne | 505.81 mi (814.02 km) |
| Portsmouth to Beaucaire | 552.69 mi (889.47 km) |
| Portsmouth to Beauchamp | 191.26 mi (307.80 km) |
| Portsmouth to Beaumont | 398.24 mi (640.90 km) |
| Portsmouth to Beaumont-sur-Oise | 188.86 mi (303.94 km) |
| Portsmouth to Beaune | 374.83 mi (603.23 km) |
