| Louisville to Buena Park (California) | 1,823.25 mi (2,934.24 km) |
| Louisville to Buenaventura Lakes (Florida) | 722.94 mi (1,163.47 km) |
| Louisville to Buffalo (Minnesota) | 643.19 mi (1,035.11 km) |
| Louisville to Buffalo (New York) | 484.00 mi (778.93 km) |
| Louisville to Buffalo Grove (Illinois) | 302.20 mi (486.34 km) |
| Louisville to Buford (Georgia) | 294.52 mi (473.98 km) |
| Louisville to Bull Run (Virginia) | 441.57 mi (710.63 km) |
| Louisville to Bullhead City (Arizona) | 1,609.20 mi (2,589.76 km) |
| Louisville to Burbank (California) | 1,833.33 mi (2,950.46 km) |
| Louisville to Burbank (Illinois) | 271.50 mi (436.94 km) |
| Louisville to Burien (Washington) | 1,946.44 mi (3,132.49 km) |
| Louisville to Burkburnett (Texas) | 773.60 mi (1,244.98 km) |
| Louisville to Burke (Virginia) | 455.39 mi (732.88 km) |
| Louisville to Burke Centre (Virginia) | 453.46 mi (729.78 km) |
| Louisville to Burleson (Texas) | 764.69 mi (1,230.65 km) |
