| London Colney to Buenaventura Lakes (Florida) | 4,337.76 mi (6,980.95 km) |
| London Colney to Buffalo (Minnesota) | 4,008.39 mi (6,450.88 km) |
| London Colney to Buffalo (New York) | 3,548.22 mi (5,710.31 km) |
| London Colney to Buffalo Grove (Illinois) | 3,933.11 mi (6,329.73 km) |
| London Colney to Buford (Georgia) | 4,160.62 mi (6,695.87 km) |
| London Colney to Bull Run (Virginia) | 3,678.25 mi (5,919.57 km) |
| London Colney to Bullhead City (Arizona) | 5,244.32 mi (8,439.92 km) |
| London Colney to Burbank (California) | 5,419.68 mi (8,722.13 km) |
| London Colney to Burbank (Illinois) | 3,945.53 mi (6,349.71 km) |
| London Colney to Burien (Washington) | 4,775.43 mi (7,685.32 km) |
| London Colney to Burkburnett (Texas) | 4,734.72 mi (7,619.80 km) |
| London Colney to Burke (Virginia) | 3,667.93 mi (5,902.97 km) |
| London Colney to Burke Centre (Virginia) | 3,668.83 mi (5,904.41 km) |
| London Colney to Burleson (Texas) | 4,768.82 mi (7,674.68 km) |
| London Colney to Burley (Idaho) | 4,807.84 mi (7,737.47 km) |
