| Key West to Bridgeport (Connecticut) | 1,250.51 mi (2,012.51 km) |
| Key West to Bridgeton (Missouri) | 1,103.99 mi (1,776.70 km) |
| Key West to Bridgetown (Ohio) | 1,021.84 mi (1,644.49 km) |
| Key West to Bridgeview (Illinois) | 1,236.08 mi (1,989.28 km) |
| Key West to Brigham City (Utah) | 2,090.66 mi (3,364.59 km) |
| Key West to Brighton (Colorado) | 1,706.08 mi (2,745.67 km) |
| Key West to Bristol (Connecticut) | 1,286.69 mi (2,070.73 km) |
| Key West to Bristol (Tennessee) | 829.04 mi (1,334.21 km) |
| Key West to Bristol (Virginia) | 833.15 mi (1,340.83 km) |
| Key West to Broadlands (Virginia) | 1,029.10 mi (1,656.18 km) |
| Key West to Broadview Heights (Ohio) | 1,157.70 mi (1,863.14 km) |
| Key West to Brock Hall (Maryland) | 1,030.61 mi (1,658.61 km) |
| Key West to Brockton (Massachusetts) | 1,357.62 mi (2,184.88 km) |
| Key West to Broken Arrow (Oklahoma) | 1,149.19 mi (1,849.45 km) |
| Key West to Bronx (New York) | 1,214.26 mi (1,954.17 km) |
