| London Colney to Barberton (Ohio) | 3,740.67 mi (6,020.03 km) |
| London Colney to Bardstown (Kentucky) | 4,041.09 mi (6,503.51 km) |
| London Colney to Barrington (Illinois) | 3,940.15 mi (6,341.06 km) |
| London Colney to Barstow (California) | 5,340.06 mi (8,594.00 km) |
| London Colney to Bartlesville (Oklahoma) | 4,499.28 mi (7,240.89 km) |
| London Colney to Bartlett (Illinois) | 3,951.13 mi (6,358.73 km) |
| London Colney to Bartlett (Tennessee) | 4,338.82 mi (6,982.65 km) |
| London Colney to Bartow (Florida) | 4,379.83 mi (7,048.65 km) |
| London Colney to Batavia (Illinois) | 3,961.25 mi (6,375.02 km) |
| London Colney to Batavia (New York) | 3,517.69 mi (5,661.18 km) |
| London Colney to Batesville (Arkansas) | 4,382.65 mi (7,053.20 km) |
| London Colney to Baton Rouge (Louisiana) | 4,632.33 mi (7,455.01 km) |
| London Colney to Battle Creek (Michigan) | 3,823.02 mi (6,152.56 km) |
| London Colney to Battle Ground (Washington) | 4,878.18 mi (7,850.67 km) |
| London Colney to Bay City (Michigan) | 3,713.36 mi (5,976.08 km) |
