| Diamond Bar to Barberino di Mugello | 6,168.09 mi (9,926.59 km) |
| Diamond Bar to Barcellona-Pozzo di Gotto | 6,612.90 mi (10,642.43 km) |
| Diamond Bar to Bareggio | 6,019.09 mi (9,686.80 km) |
| Diamond Bar to Barga | 6,139.86 mi (9,881.15 km) |
| Diamond Bar to Bari | 6,501.12 mi (10,462.55 km) |
| Diamond Bar to Barletta | 6,472.48 mi (10,416.45 km) |
| Diamond Bar to Baronissi | 6,456.26 mi (10,390.35 km) |
| Diamond Bar to Barrafranca | 6,621.51 mi (10,656.29 km) |
| Diamond Bar to Bassano del Grappa | 6,090.10 mi (9,801.06 km) |
| Diamond Bar to Battipaglia | 6,470.15 mi (10,412.71 km) |
| Diamond Bar to Beinasco | 5,996.46 mi (9,650.38 km) |
| Diamond Bar to Bellinzago Novarese | 6,001.80 mi (9,658.96 km) |
| Diamond Bar to Belluno | 6,084.98 mi (9,792.83 km) |
| Diamond Bar to Belmonte Mezzagno | 6,556.77 mi (10,552.10 km) |
| Diamond Bar to Belpasso | 6,636.15 mi (10,679.84 km) |
