| Louisville to Bonham (Texas) | 668.99 mi (1,076.64 km) |
| Louisville to Bonita (California) | 1,798.38 mi (2,894.22 km) |
| Louisville to Bonita Springs (Florida) | 846.42 mi (1,362.18 km) |
| Louisville to Bonney Lake (Washington) | 1,936.57 mi (3,116.61 km) |
| Louisville to Boone (Iowa) | 510.71 mi (821.91 km) |
| Louisville to Boone (North Carolina) | 257.41 mi (414.26 km) |
| Louisville to Borger (Texas) | 886.14 mi (1,426.10 km) |
| Louisville to Bossier City (Louisiana) | 596.45 mi (959.90 km) |
| Louisville to Boston (Massachusetts) | 818.60 mi (1,317.41 km) |
| Louisville to Bostonia (California) | 1,790.15 mi (2,880.97 km) |
| Louisville to Bothell (Washington) | 1,942.35 mi (3,125.91 km) |
| Louisville to Bothell East (Washington) | 1,941.68 mi (3,124.84 km) |
| Louisville to Bothell West (Washington) | 1,944.24 mi (3,128.96 km) |
| Louisville to Boulder (Colorado) | 1,056.86 mi (1,700.85 km) |
| Louisville to Boulder City (Nevada) | 1,616.69 mi (2,601.81 km) |
