| London Colney to Bailey's Crossroads (Virginia) | 3,659.35 mi (5,889.15 km) |
| London Colney to Bainbridge (Georgia) | 4,342.81 mi (6,989.09 km) |
| London Colney to Bainbridge Island (Washington) | 4,771.19 mi (7,678.48 km) |
| London Colney to Baker (Louisiana) | 4,626.20 mi (7,445.14 km) |
| London Colney to Bakersfield (California) | 5,375.34 mi (8,650.77 km) |
| London Colney to Balch Springs (Texas) | 4,730.68 mi (7,613.30 km) |
| London Colney to Baldwin (New York) | 3,435.89 mi (5,529.54 km) |
| London Colney to Baldwin (Pennsylvania) | 3,704.78 mi (5,962.27 km) |
| London Colney to Baldwin Park (California) | 5,414.46 mi (8,713.73 km) |
| London Colney to Ballenger Creek (Maryland) | 3,647.05 mi (5,869.36 km) |
| London Colney to Ballwin (Missouri) | 4,201.98 mi (6,762.43 km) |
| London Colney to Baltimore (Maryland) | 3,617.75 mi (5,822.20 km) |
| London Colney to Bangor (Maine) | 3,067.27 mi (4,936.30 km) |
| London Colney to Banning (California) | 5,387.67 mi (8,670.61 km) |
| London Colney to Baraboo (Wisconsin) | 3,938.94 mi (6,339.11 km) |
