| Key Largo to Beeville (Texas) | 1,092.26 mi (1,757.83 km) |
| Key Largo to Bel Air (Maryland) | 1,023.38 mi (1,646.97 km) |
| Key Largo to Bel Air North (Maryland) | 1,024.32 mi (1,648.49 km) |
| Key Largo to Bel Air South (Maryland) | 1,021.67 mi (1,644.22 km) |
| Key Largo to Belgrade (Montana) | 2,219.78 mi (3,572.40 km) |
| Key Largo to Bell (California) | 2,336.79 mi (3,760.69 km) |
| Key Largo to Bell Gardens (California) | 2,335.29 mi (3,758.28 km) |
| Key Largo to Bella Vista (Arkansas) | 1,133.79 mi (1,824.66 km) |
| Key Largo to Bellair-Meadowbrook Terrace (Florida) | 358.70 mi (577.27 km) |
| Key Largo to Bellaire (Texas) | 974.91 mi (1,568.96 km) |
| Key Largo to Belle Chasse (Louisiana) | 672.39 mi (1,082.11 km) |
| Key Largo to Belle Glade (Florida) | 109.56 mi (176.32 km) |
| Key Largo to Bellefontaine (Ohio) | 1,070.62 mi (1,723.00 km) |
| Key Largo to Bellefontaine Neighbors (Missouri) | 1,102.08 mi (1,773.63 km) |
| Key Largo to Belleville (Illinois) | 1,081.35 mi (1,740.26 km) |
