| Portishead to Bispham | 164.03 mi (263.98 km) |
| Portishead to Blackburn | 156.87 mi (252.46 km) |
| Portishead to Blackpool | 161.45 mi (259.83 km) |
| Portishead to Blairgowrie | 353.68 mi (569.19 km) |
| Portishead to Blandford Forum | 50.53 mi (81.32 km) |
| Portishead to Blaydon | 244.21 mi (393.02 km) |
| Portishead to Bletchley | 93.75 mi (150.88 km) |
| Portishead to Bloxwich | 84.47 mi (135.94 km) |
| Portishead to Blunsdon Saint Andrew | 42.69 mi (68.70 km) |
| Portishead to Blyth | 256.85 mi (413.36 km) |
| Portishead to Bo'ness | 315.08 mi (507.08 km) |
| Portishead to Bodmin | 110.38 mi (177.63 km) |
| Portishead to Bognor Regis | 102.62 mi (165.15 km) |
| Portishead to Bolsover | 135.77 mi (218.50 km) |
| Portishead to Bolton | 145.36 mi (233.93 km) |
