| Portchester to Beyne-Heusay | 296.39 mi (476.99 km) |
| Portchester to Bierbeek | 256.79 mi (413.27 km) |
| Portchester to Bilzen | 289.39 mi (465.73 km) |
| Portchester to Binche | 233.70 mi (376.10 km) |
| Portchester to Bissegem | 189.24 mi (304.55 km) |
| Portchester to Blankenberge | 186.61 mi (300.32 km) |
| Portchester to Blegny | 299.71 mi (482.33 km) |
| Portchester to Bocholt | 292.05 mi (470.01 km) |
| Portchester to Boechout | 244.53 mi (393.53 km) |
| Portchester to Bonheiden | 246.44 mi (396.61 km) |
| Portchester to Boom | 239.29 mi (385.10 km) |
| Portchester to Boortmeerbeek | 247.86 mi (398.90 km) |
| Portchester to Borgerhout | 242.94 mi (390.97 km) |
| Portchester to Borgloon | 282.04 mi (453.89 km) |
| Portchester to Bornem | 233.55 mi (375.86 km) |
