| Idaho Falls to Barberino di Mugello | 5,454.67 mi (8,778.44 km) |
| Idaho Falls to Barcellona-Pozzo di Gotto | 5,902.41 mi (9,499.01 km) |
| Idaho Falls to Bareggio | 5,306.34 mi (8,539.73 km) |
| Idaho Falls to Barga | 5,427.31 mi (8,734.41 km) |
| Idaho Falls to Bari | 5,784.39 mi (9,309.08 km) |
| Idaho Falls to Barletta | 5,756.23 mi (9,263.76 km) |
| Idaho Falls to Baronissi | 5,742.70 mi (9,241.99 km) |
| Idaho Falls to Barrafranca | 5,913.99 mi (9,517.64 km) |
| Idaho Falls to Bassano del Grappa | 5,373.70 mi (8,648.13 km) |
| Idaho Falls to Battipaglia | 5,756.48 mi (9,264.16 km) |
| Idaho Falls to Beinasco | 5,286.30 mi (8,507.47 km) |
| Idaho Falls to Bellinzago Novarese | 5,289.31 mi (8,512.32 km) |
| Idaho Falls to Belluno | 5,367.62 mi (8,638.34 km) |
| Idaho Falls to Belmonte Mezzagno | 5,849.53 mi (9,413.90 km) |
| Idaho Falls to Belpasso | 5,926.92 mi (9,538.45 km) |
