| Portishead to Barking | 122.29 mi (196.80 km) |
| Portishead to Barnet | 110.63 mi (178.04 km) |
| Portishead to Barnoldswick | 169.65 mi (273.02 km) |
| Portishead to Barnsley | 152.90 mi (246.07 km) |
| Portishead to Barnstaple | 62.63 mi (100.80 km) |
| Portishead to Barrhead | 305.60 mi (491.82 km) |
| Portishead to Barri | 22.52 mi (36.25 km) |
| Portishead to Barrow in Furness | 182.52 mi (293.74 km) |
| Portishead to Barton upon Humber | 180.30 mi (290.17 km) |
| Portishead to Barton upon Irwell | 138.67 mi (223.17 km) |
| Portishead to Barwell | 96.11 mi (154.67 km) |
| Portishead to Basford | 123.30 mi (198.42 km) |
| Portishead to Basildon | 139.95 mi (225.22 km) |
| Portishead to Basingstoke | 73.78 mi (118.74 km) |
| Portishead to Bath | 18.77 mi (30.21 km) |
