| Louisville to Bound Brook (New Jersey) | 615.73 mi (990.92 km) |
| Louisville to Bountiful (Utah) | 1,404.42 mi (2,260.19 km) |
| Louisville to Bourbonnais (Illinois) | 239.78 mi (385.90 km) |
| Louisville to Bowie (Maryland) | 484.15 mi (779.16 km) |
| Louisville to Bowling Green (Kentucky) | 93.18 mi (149.95 km) |
| Louisville to Bowling Green (Ohio) | 245.95 mi (395.81 km) |
| Louisville to Box Elder (South Dakota) | 993.22 mi (1,598.43 km) |
| Louisville to Boynton Beach (Florida) | 866.83 mi (1,395.03 km) |
| Louisville to Bozeman (Montana) | 1,398.12 mi (2,250.05 km) |
| Louisville to Bradenton (Florida) | 758.78 mi (1,221.14 km) |
| Louisville to Bradfordville (Florida) | 531.00 mi (854.57 km) |
| Louisville to Bradley (Illinois) | 237.79 mi (382.68 km) |
| Louisville to Bradley Gardens (New Jersey) | 609.14 mi (980.31 km) |
| Louisville to Brainerd (Minnesota) | 714.13 mi (1,149.28 km) |
| Louisville to Brambleton (Virginia) | 441.86 mi (711.11 km) |
