| Portchester to Bagnolet | 208.33 mi (335.28 km) |
| Portchester to Bagnols-sur-Ceze | 533.26 mi (858.20 km) |
| Portchester to Bailleul | 168.47 mi (271.12 km) |
| Portchester to Balma | 514.46 mi (827.94 km) |
| Portchester to Bar-le-Duc | 314.59 mi (506.28 km) |
| Portchester to Barentin | 128.25 mi (206.40 km) |
| Portchester to Basse-Goulaine | 251.07 mi (404.06 km) |
| Portchester to Bastia | 751.26 mi (1,209.04 km) |
| Portchester to Bayeux | 109.59 mi (176.36 km) |
| Portchester to Bayonne | 508.25 mi (817.96 km) |
| Portchester to Beaucaire | 555.57 mi (894.11 km) |
| Portchester to Beauchamp | 193.95 mi (312.13 km) |
| Portchester to Beaumont | 401.12 mi (645.54 km) |
| Portchester to Beaumont-sur-Oise | 191.50 mi (308.18 km) |
| Portchester to Beaune | 377.57 mi (607.64 km) |
