| Key West to Bonham (Texas) | 1,068.74 mi (1,719.98 km) |
| Key West to Bonita (California) | 2,199.24 mi (3,539.33 km) |
| Key West to Bonita Springs (Florida) | 123.79 mi (199.22 km) |
| Key West to Bonney Lake (Washington) | 2,703.42 mi (4,350.74 km) |
| Key West to Boone (Iowa) | 1,392.47 mi (2,240.97 km) |
| Key West to Boone (North Carolina) | 804.75 mi (1,295.12 km) |
| Key West to Borger (Texas) | 1,396.89 mi (2,248.08 km) |
| Key West to Bossier City (Louisiana) | 906.13 mi (1,458.28 km) |
| Key West to Boston (Massachusetts) | 1,370.21 mi (2,205.14 km) |
| Key West to Bostonia (California) | 2,195.57 mi (3,533.43 km) |
| Key West to Bothell (Washington) | 2,719.81 mi (4,377.12 km) |
| Key West to Bothell East (Washington) | 2,719.79 mi (4,377.07 km) |
| Key West to Bothell West (Washington) | 2,722.17 mi (4,380.91 km) |
| Key West to Boulder (Colorado) | 1,728.61 mi (2,781.93 km) |
| Key West to Boulder City (Nevada) | 2,114.51 mi (3,402.98 km) |
