| London to Bargoed | 134.17 mi (215.92 km) |
| London to Barking | 9.20 mi (14.81 km) |
| London to Barnet | 9.97 mi (16.05 km) |
| London to Barnoldswick | 187.38 mi (301.56 km) |
| London to Barnsley | 152.44 mi (245.33 km) |
| London to Barnstaple | 172.43 mi (277.50 km) |
| London to Barrhead | 344.04 mi (553.68 km) |
| London to Barri | 135.47 mi (218.01 km) |
| London to Barrow in Furness | 221.56 mi (356.56 km) |
| London to Barton upon Humber | 150.96 mi (242.95 km) |
| London to Barton upon Irwell | 165.29 mi (266.00 km) |
| London to Barwell | 89.76 mi (144.45 km) |
| London to Basford | 110.76 mi (178.25 km) |
| London to Basildon | 27.01 mi (43.46 km) |
| London to Basingstoke | 44.61 mi (71.79 km) |
