| Diamond Bar to Baraboo (Wisconsin) | 1,638.56 mi (2,637.00 km) |
| Diamond Bar to Barberton (Ohio) | 2,027.59 mi (3,263.09 km) |
| Diamond Bar to Bardstown (Kentucky) | 1,820.91 mi (2,930.47 km) |
| Diamond Bar to Barrington (Illinois) | 1,699.89 mi (2,735.72 km) |
| Diamond Bar to Barstow (California) | 74.22 mi (119.44 km) |
| Diamond Bar to Bartlesville (Oklahoma) | 1,243.87 mi (2,001.82 km) |
| Diamond Bar to Bartlett (Illinois) | 1,693.97 mi (2,726.19 km) |
| Diamond Bar to Bartlett (Tennessee) | 1,588.97 mi (2,557.20 km) |
| Diamond Bar to Bartow (Florida) | 2,163.01 mi (3,481.03 km) |
| Diamond Bar to Batavia (Illinois) | 1,687.25 mi (2,715.37 km) |
| Diamond Bar to Batavia (New York) | 2,209.10 mi (3,555.20 km) |
| Diamond Bar to Batesville (Arkansas) | 1,485.20 mi (2,390.20 km) |
| Diamond Bar to Baton Rouge (Louisiana) | 1,574.50 mi (2,533.91 km) |
| Diamond Bar to Battle Creek (Michigan) | 1,848.09 mi (2,974.21 km) |
| Diamond Bar to Battle Ground (Washington) | 851.01 mi (1,369.58 km) |
