| Louisville to Brown Deer (Wisconsin) | 366.83 mi (590.35 km) |
| Louisville to Brownsburg (Indiana) | 121.77 mi (195.97 km) |
| Louisville to Brownsville (Florida) | 909.40 mi (1,463.54 km) |
| Louisville to Brownsville (Texas) | 1,086.50 mi (1,748.55 km) |
| Louisville to Brownwood (Texas) | 875.43 mi (1,408.87 km) |
| Louisville to Brunswick (Georgia) | 539.86 mi (868.82 km) |
| Louisville to Brunswick (Ohio) | 294.41 mi (473.80 km) |
| Louisville to Brushy Creek (Texas) | 867.83 mi (1,396.64 km) |
| Louisville to Bryan (Texas) | 800.75 mi (1,288.68 km) |
| Louisville to Bryant (Arkansas) | 452.63 mi (728.43 km) |
| Louisville to Bryn Mawr-Skyway (Washington) | 1,942.00 mi (3,125.34 km) |
| Louisville to Buckeye (Arizona) | 1,541.91 mi (2,481.46 km) |
| Louisville to Buckhall (Virginia) | 445.30 mi (716.65 km) |
| Louisville to Bucyrus (Ohio) | 231.54 mi (372.62 km) |
| Louisville to Buda (Texas) | 892.72 mi (1,436.70 km) |
