| Key Largo to Brescia | 5,028.71 mi (8,092.93 km) |
| Key Largo to Bressanone | 5,067.51 mi (8,155.37 km) |
| Key Largo to Bresso | 4,981.17 mi (8,016.42 km) |
| Key Largo to Brindisi | 5,514.99 mi (8,875.52 km) |
| Key Largo to Broni | 4,994.85 mi (8,038.43 km) |
| Key Largo to Bronte | 5,442.69 mi (8,759.16 km) |
| Key Largo to Brugherio | 4,986.22 mi (8,024.55 km) |
| Key Largo to Brugnera | 5,125.79 mi (8,249.16 km) |
| Key Largo to Bruino | 4,912.26 mi (7,905.52 km) |
| Key Largo to Brunico | 5,078.10 mi (8,172.40 km) |
| Key Largo to Brusciano | 5,338.37 mi (8,591.27 km) |
| Key Largo to Bucine | 5,140.63 mi (8,273.05 km) |
| Key Largo to Budrio | 5,111.68 mi (8,226.45 km) |
| Key Largo to Busca | 4,922.40 mi (7,921.84 km) |
| Key Largo to Bussolengo | 5,059.19 mi (8,141.98 km) |
