| Diamond Bar to Haverhill (Massachusetts) | 2,567.98 mi (4,132.76 km) |
| Diamond Bar to Havre de Grace (Maryland) | 2,318.56 mi (3,731.37 km) |
| Diamond Bar to Hawaiian Gardens (California) | 18.78 mi (30.22 km) |
| Diamond Bar to Hawaiian Paradise Park (Hawaii) | 2,480.95 mi (3,992.71 km) |
| Diamond Bar to Hawthorne (California) | 31.01 mi (49.91 km) |
| Diamond Bar to Hawthorne (New Jersey) | 2,415.83 mi (3,887.91 km) |
| Diamond Bar to Hayden (Idaho) | 952.78 mi (1,533.35 km) |
| Diamond Bar to Hayesville (Oregon) | 806.51 mi (1,297.96 km) |
| Diamond Bar to Hays (Kansas) | 1,079.63 mi (1,737.49 km) |
| Diamond Bar to Haysville (Kansas) | 1,170.65 mi (1,883.98 km) |
| Diamond Bar to Hayward (California) | 346.34 mi (557.38 km) |
| Diamond Bar to Hazel Crest (Illinois) | 1,716.15 mi (2,761.88 km) |
| Diamond Bar to Hazel Dell (Washington) | 846.47 mi (1,362.26 km) |
| Diamond Bar to Hazel Park (Michigan) | 1,957.47 mi (3,150.25 km) |
| Diamond Bar to Hazelwood (Missouri) | 1,554.64 mi (2,501.95 km) |
