| Boone to Brownsburg (Indiana) | 358.42 mi (576.82 km) |
| Boone to Brownsville (Florida) | 722.76 mi (1,163.17 km) |
| Boone to Brownsville (Texas) | 1,168.07 mi (1,879.83 km) |
| Boone to Brownwood (Texas) | 1,037.81 mi (1,670.20 km) |
| Boone to Brunswick (Georgia) | 350.21 mi (563.62 km) |
| Boone to Brunswick (Ohio) | 348.01 mi (560.07 km) |
| Boone to Brushy Creek (Texas) | 1,005.91 mi (1,618.85 km) |
| Boone to Bryan (Texas) | 929.54 mi (1,495.95 km) |
| Boone to Bryant (Arkansas) | 619.08 mi (996.31 km) |
| Boone to Bryn Mawr-Skyway (Washington) | 2,199.39 mi (3,539.57 km) |
| Boone to Buckeye (Arizona) | 1,759.98 mi (2,832.41 km) |
| Boone to Buckhall (Virginia) | 289.22 mi (465.46 km) |
| Boone to Bucyrus (Ohio) | 325.17 mi (523.31 km) |
| Boone to Buda (Texas) | 1,025.87 mi (1,650.98 km) |
| Boone to Buena Park (California) | 2,050.23 mi (3,299.53 km) |
