| Borehamwood to Black Forest (Colorado) | 4,699.15 mi (7,562.54 km) |
| Borehamwood to Blackfoot (Idaho) | 4,731.25 mi (7,614.21 km) |
| Borehamwood to Blackhawk (California) | 5,324.69 mi (8,569.26 km) |
| Borehamwood to Blacksburg (Virginia) | 3,870.26 mi (6,228.58 km) |
| Borehamwood to Blackwells Mills (New Jersey) | 3,486.38 mi (5,610.79 km) |
| Borehamwood to Blaine (Minnesota) | 3,989.08 mi (6,419.81 km) |
| Borehamwood to Bloomingdale (Florida) | 4,400.87 mi (7,082.51 km) |
| Borehamwood to Bloomingdale (Illinois) | 3,951.36 mi (6,359.10 km) |
| Borehamwood to Bloomington (California) | 5,401.40 mi (8,692.71 km) |
| Borehamwood to Bloomington (Illinois) | 4,054.27 mi (6,524.72 km) |
| Borehamwood to Bloomington (Indiana) | 4,022.15 mi (6,473.03 km) |
| Borehamwood to Bloomington (Minnesota) | 4,008.89 mi (6,451.69 km) |
| Borehamwood to Bloomsburg (Pennsylvania) | 3,538.66 mi (5,694.92 km) |
| Borehamwood to Blue Ash (Ohio) | 3,934.17 mi (6,331.43 km) |
| Borehamwood to Blue Island (Illinois) | 3,949.46 mi (6,356.05 km) |
