| Diamond Bar to Hanahan (South Carolina) | 2,168.35 mi (3,489.62 km) |
| Diamond Bar to Hanford (California) | 191.47 mi (308.14 km) |
| Diamond Bar to Hannibal (Missouri) | 1,506.99 mi (2,425.27 km) |
| Diamond Bar to Hanover (Pennsylvania) | 2,271.35 mi (3,655.39 km) |
| Diamond Bar to Hanover Park (Illinois) | 1,697.16 mi (2,731.31 km) |
| Diamond Bar to Happy Valley (Oregon) | 828.21 mi (1,332.88 km) |
| Diamond Bar to Harker Heights (Texas) | 1,190.50 mi (1,915.93 km) |
| Diamond Bar to Harlingen (Texas) | 1,314.96 mi (2,116.22 km) |
| Diamond Bar to Harper Woods (Michigan) | 1,965.86 mi (3,163.75 km) |
| Diamond Bar to Harrisburg (North Carolina) | 2,101.96 mi (3,382.78 km) |
| Diamond Bar to Harrisburg (Pennsylvania) | 2,275.14 mi (3,661.48 km) |
| Diamond Bar to Harrison (Arkansas) | 1,400.45 mi (2,253.81 km) |
| Diamond Bar to Harrison (New Jersey) | 2,416.89 mi (3,889.61 km) |
| Diamond Bar to Harrison (New York) | 2,438.45 mi (3,924.31 km) |
| Diamond Bar to Harrison (Ohio) | 1,856.41 mi (2,987.60 km) |
