| Portchester to Barking | 70.89 mi (114.09 km) |
| Portchester to Barnet | 68.25 mi (109.84 km) |
| Portchester to Barnoldswick | 217.04 mi (349.28 km) |
| Portchester to Barnsley | 188.04 mi (302.63 km) |
| Portchester to Barnstaple | 128.99 mi (207.59 km) |
| Portchester to Barrhead | 368.14 mi (592.46 km) |
| Portchester to Barri | 101.02 mi (162.58 km) |
| Portchester to Barrow in Furness | 242.59 mi (390.42 km) |
| Portchester to Barton upon Humber | 198.35 mi (319.21 km) |
| Portchester to Barton upon Irwell | 189.42 mi (304.84 km) |
| Portchester to Barwell | 119.66 mi (192.58 km) |
| Portchester to Basford | 147.60 mi (237.54 km) |
| Portchester to Basildon | 86.35 mi (138.96 km) |
| Portchester to Basingstoke | 29.38 mi (47.28 km) |
| Portchester to Bath | 65.38 mi (105.22 km) |
