| Louisville to Barberino di Mugello | 4,754.36 mi (7,651.40 km) |
| Louisville to Barcellona-Pozzo di Gotto | 5,155.93 mi (8,297.67 km) |
| Louisville to Bareggio | 4,606.68 mi (7,413.74 km) |
| Louisville to Barga | 4,720.02 mi (7,596.14 km) |
| Louisville to Bari | 5,102.80 mi (8,212.16 km) |
| Louisville to Barletta | 5,070.60 mi (8,160.33 km) |
| Louisville to Baronissi | 5,030.36 mi (8,095.58 km) |
| Louisville to Barrafranca | 5,143.66 mi (8,277.92 km) |
| Louisville to Bassano del Grappa | 4,708.24 mi (7,577.18 km) |
| Louisville to Battipaglia | 5,044.64 mi (8,118.56 km) |
| Louisville to Beinasco | 4,564.44 mi (7,345.75 km) |
| Louisville to Bellinzago Novarese | 4,588.02 mi (7,383.71 km) |
| Louisville to Belluno | 4,713.67 mi (7,585.91 km) |
| Louisville to Belmonte Mezzagno | 5,079.75 mi (8,175.07 km) |
| Louisville to Belpasso | 5,169.19 mi (8,319.01 km) |
