| Portchester to Brighton | 42.90 mi (69.04 km) |
| Portchester to Brimington | 167.32 mi (269.28 km) |
| Portchester to Brislington | 73.96 mi (119.03 km) |
| Portchester to Bristol | 76.72 mi (123.47 km) |
| Portchester to Brixham | 109.50 mi (176.22 km) |
| Portchester to Brixton | 60.80 mi (97.84 km) |
| Portchester to Broadstairs | 116.64 mi (187.72 km) |
| Portchester to Broadstone | 38.62 mi (62.16 km) |
| Portchester to Broadwater | 32.56 mi (52.40 km) |
| Portchester to Brockworth | 82.62 mi (132.97 km) |
| Portchester to Bromborough | 189.50 mi (304.97 km) |
| Portchester to Bromley | 63.02 mi (101.43 km) |
| Portchester to Bromsgrove | 110.75 mi (178.24 km) |
| Portchester to Broughton Astley | 116.57 mi (187.60 km) |
| Portchester to Broughty Ferry | 395.18 mi (635.98 km) |
