| Key Biscayne to Bound Brook (New Jersey) | 1,077.58 mi (1,734.19 km) |
| Key Biscayne to Bountiful (Utah) | 2,093.14 mi (3,368.58 km) |
| Key Biscayne to Bourbonnais (Illinois) | 1,157.87 mi (1,863.41 km) |
| Key Biscayne to Bowie (Maryland) | 937.81 mi (1,509.26 km) |
| Key Biscayne to Bowling Green (Kentucky) | 862.31 mi (1,387.75 km) |
| Key Biscayne to Bowling Green (Ohio) | 1,102.00 mi (1,773.51 km) |
| Key Biscayne to Box Elder (South Dakota) | 1,806.34 mi (2,907.03 km) |
| Key Biscayne to Boynton Beach (Florida) | 58.09 mi (93.48 km) |
| Key Biscayne to Bozeman (Montana) | 2,193.10 mi (3,529.45 km) |
| Key Biscayne to Bradenton (Florida) | 193.99 mi (312.19 km) |
| Key Biscayne to Bradfordville (Florida) | 417.54 mi (671.97 km) |
| Key Biscayne to Bradley (Illinois) | 1,155.96 mi (1,860.34 km) |
| Key Biscayne to Bradley Gardens (New Jersey) | 1,075.60 mi (1,731.00 km) |
| Key Biscayne to Brainerd (Minnesota) | 1,623.28 mi (2,612.42 km) |
| Key Biscayne to Brambleton (Virginia) | 930.87 mi (1,498.08 km) |
