| Key Largo to Burley (Idaho) | 2,240.26 mi (3,605.35 km) |
| Key Largo to Burlingame (California) | 2,596.38 mi (4,178.47 km) |
| Key Largo to Burlington (Iowa) | 1,246.70 mi (2,006.38 km) |
| Key Largo to Burlington (Kentucky) | 992.64 mi (1,597.49 km) |
| Key Largo to Burlington (North Carolina) | 758.88 mi (1,221.31 km) |
| Key Largo to Burlington (Vermont) | 1,397.22 mi (2,248.62 km) |
| Key Largo to Burlington (Wisconsin) | 1,292.30 mi (2,079.75 km) |
| Key Largo to Burnsville (Minnesota) | 1,536.01 mi (2,471.97 km) |
| Key Largo to Burr Ridge (Illinois) | 1,226.34 mi (1,973.60 km) |
| Key Largo to Burton (Michigan) | 1,248.34 mi (2,009.00 km) |
| Key Largo to Burtonsville (Maryland) | 987.84 mi (1,589.78 km) |
| Key Largo to Butler (Pennsylvania) | 1,087.88 mi (1,750.77 km) |
| Key Largo to Butte (Montana) | 2,286.54 mi (3,679.83 km) |
| Key Largo to Byram (Mississippi) | 771.84 mi (1,242.15 km) |
| Key Largo to Cabot (Arkansas) | 971.26 mi (1,563.09 km) |
