| London Colney to Barking | 20.75 mi (33.40 km) |
| London Colney to Barnet | 7.09 mi (11.41 km) |
| London Colney to Barnoldswick | 170.55 mi (274.48 km) |
| London Colney to Barnsley | 135.67 mi (218.34 km) |
| London Colney to Barnstaple | 168.08 mi (270.50 km) |
| London Colney to Barrhead | 327.23 mi (526.62 km) |
| London Colney to Barri | 129.46 mi (208.35 km) |
| London Colney to Barrow in Furness | 204.93 mi (329.80 km) |
| London Colney to Barton upon Humber | 135.38 mi (217.88 km) |
| London Colney to Barton upon Irwell | 148.62 mi (239.19 km) |
| London Colney to Barwell | 73.17 mi (117.75 km) |
| London Colney to Basford | 93.96 mi (151.21 km) |
| London Colney to Basildon | 35.34 mi (56.87 km) |
| London Colney to Basingstoke | 46.42 mi (74.71 km) |
| London Colney to Bath | 91.67 mi (147.53 km) |
