| Bethesda to Beltsville (Maryland) | 11.22 mi (18.06 km) |
| Bethesda to Belvedere Park (Georgia) | 537.08 mi (864.34 km) |
| Bethesda to Belvidere (Illinois) | 655.41 mi (1,054.78 km) |
| Bethesda to Bemidji (Minnesota) | 1,065.63 mi (1,714.96 km) |
| Bethesda to Benbrook (Texas) | 1,216.82 mi (1,958.28 km) |
| Bethesda to Bend (Oregon) | 2,284.84 mi (3,677.09 km) |
| Bethesda to Benicia (California) | 2,409.69 mi (3,878.01 km) |
| Bethesda to Bensenville (Illinois) | 604.37 mi (972.63 km) |
| Bethesda to Bensville (Maryland) | 26.19 mi (42.15 km) |
| Bethesda to Benton (Arkansas) | 906.34 mi (1,458.62 km) |
| Bethesda to Bentonville (Arkansas) | 951.83 mi (1,531.83 km) |
| Bethesda to Berea (Kentucky) | 400.56 mi (644.64 km) |
| Bethesda to Berea (Ohio) | 299.70 mi (482.32 km) |
| Bethesda to Berea (South Carolina) | 409.34 mi (658.76 km) |
| Bethesda to Bergenfield (New Jersey) | 212.64 mi (342.22 km) |
