| Diamond Bar to Hormigueros (Puerto Rico) | 3,294.95 mi (5,302.70 km) |
| Diamond Bar to Horn Lake (Mississippi) | 1,577.80 mi (2,539.23 km) |
| Diamond Bar to Hot Springs (Arkansas) | 1,411.40 mi (2,271.42 km) |
| Diamond Bar to Hot Springs Village (Arkansas) | 1,415.15 mi (2,277.46 km) |
| Diamond Bar to Houma (Louisiana) | 1,616.20 mi (2,601.03 km) |
| Diamond Bar to Houston (Texas) | 1,344.55 mi (2,163.84 km) |
| Diamond Bar to Howard (Wisconsin) | 1,736.54 mi (2,794.69 km) |
| Diamond Bar to Huber Heights (Ohio) | 1,893.19 mi (3,046.79 km) |
| Diamond Bar to Hudson (Florida) | 2,102.14 mi (3,383.07 km) |
| Diamond Bar to Hudson (Ohio) | 2,036.65 mi (3,277.68 km) |
| Diamond Bar to Hudson (Wisconsin) | 1,528.13 mi (2,459.29 km) |
| Diamond Bar to Hueytown (Alabama) | 1,763.63 mi (2,838.28 km) |
| Diamond Bar to Hugo (Minnesota) | 1,522.91 mi (2,450.89 km) |
| Diamond Bar to Humacao (Puerto Rico) | 3,368.73 mi (5,421.45 km) |
| Diamond Bar to Humble (Texas) | 1,347.15 mi (2,168.03 km) |
