| Diamond Bar to Hilliard (Ohio) | 1,944.07 mi (3,128.68 km) |
| Diamond Bar to Hillsboro (Oregon) | 841.18 mi (1,353.75 km) |
| Diamond Bar to Hillsborough (California) | 353.84 mi (569.45 km) |
| Diamond Bar to Hillsborough (New Jersey) | 2,391.68 mi (3,849.04 km) |
| Diamond Bar to Hilo (Hawaii) | 2,483.66 mi (3,997.07 km) |
| Diamond Bar to Hilton Head Island (South Carolina) | 2,137.54 mi (3,440.04 km) |
| Diamond Bar to Hinesville (Georgia) | 2,094.41 mi (3,370.62 km) |
| Diamond Bar to Hinsdale (Illinois) | 1,706.27 mi (2,745.98 km) |
| Diamond Bar to Hobart (Indiana) | 1,736.98 mi (2,795.40 km) |
| Diamond Bar to Hobbs (New Mexico) | 849.56 mi (1,367.24 km) |
| Diamond Bar to Hobe Sound (Florida) | 2,279.21 mi (3,668.03 km) |
| Diamond Bar to Hoboken (New Jersey) | 2,423.42 mi (3,900.11 km) |
| Diamond Bar to Hockessin (Delaware) | 2,340.47 mi (3,766.62 km) |
| Diamond Bar to Hoffman Estates (Illinois) | 1,697.96 mi (2,732.60 km) |
| Diamond Bar to Holbrook (New York) | 2,473.25 mi (3,980.30 km) |
