| Key Biscayne to Bonhill | 4,215.12 mi (6,783.57 km) |
| Key Biscayne to Bonnyrigg | 4,272.18 mi (6,875.41 km) |
| Key Biscayne to Bootle | 4,293.23 mi (6,909.29 km) |
| Key Biscayne to Borehamwood | 4,423.09 mi (7,118.28 km) |
| Key Biscayne to Boscombe | 4,366.03 mi (7,026.45 km) |
| Key Biscayne to Boston | 4,419.25 mi (7,112.09 km) |
| Key Biscayne to Bottesford | 4,386.81 mi (7,059.89 km) |
| Key Biscayne to Bourne | 4,406.73 mi (7,091.95 km) |
| Key Biscayne to Bournemouth | 4,364.36 mi (7,023.75 km) |
| Key Biscayne to Bournville | 4,345.33 mi (6,993.13 km) |
| Key Biscayne to Bovingdon | 4,411.19 mi (7,099.13 km) |
| Key Biscayne to Bowdon | 4,319.28 mi (6,951.20 km) |
| Key Biscayne to Boxley | 4,461.79 mi (7,180.56 km) |
| Key Biscayne to Brackley | 4,382.22 mi (7,052.50 km) |
| Key Biscayne to Bracknell | 4,405.53 mi (7,090.01 km) |
