| Portchester to Beuvry | 167.80 mi (270.05 km) |
| Portchester to Beziers | 556.34 mi (895.34 km) |
| Portchester to Bezons | 198.97 mi (320.21 km) |
| Portchester to Biarritz | 509.08 mi (819.29 km) |
| Portchester to Biganos | 428.28 mi (689.24 km) |
| Portchester to Billere | 522.03 mi (840.13 km) |
| Portchester to Biot | 629.23 mi (1,012.65 km) |
| Portchester to Biscarrosse | 445.58 mi (717.09 km) |
| Portchester to Bischheim | 424.77 mi (683.59 km) |
| Portchester to Bischwiller | 424.89 mi (683.79 km) |
| Portchester to Blagnac | 511.52 mi (823.21 km) |
| Portchester to Blain | 234.37 mi (377.18 km) |
| Portchester to Blanquefort | 410.43 mi (660.52 km) |
| Portchester to Blois | 250.11 mi (402.51 km) |
| Portchester to Bobigny | 207.16 mi (333.38 km) |
