| Key Biscayne to Benisa | 4,629.81 mi (7,450.96 km) |
| Key Biscayne to Berga | 4,660.00 mi (7,499.55 km) |
| Key Biscayne to Berja | 4,504.66 mi (7,249.55 km) |
| Key Biscayne to Bermeo | 4,413.38 mi (7,102.65 km) |
| Key Biscayne to Berriozar | 4,473.82 mi (7,199.92 km) |
| Key Biscayne to Betanzos | 4,143.67 mi (6,668.59 km) |
| Key Biscayne to Betera | 4,587.50 mi (7,382.86 km) |
| Key Biscayne to Bilbao | 4,405.93 mi (7,090.66 km) |
| Key Biscayne to Binefar | 4,587.47 mi (7,382.82 km) |
| Key Biscayne to Binisalem | 4,754.78 mi (7,652.08 km) |
| Key Biscayne to Blanes | 4,714.72 mi (7,587.61 km) |
| Key Biscayne to Boadilla del Monte | 4,398.74 mi (7,079.09 km) |
| Key Biscayne to Boiro | 4,115.38 mi (6,623.06 km) |
| Key Biscayne to Bolanos de Calatrava | 4,430.21 mi (7,129.73 km) |
| Key Biscayne to Bollullos de la Mitacion | 4,326.04 mi (6,962.09 km) |
