| Placentia to Hamtramck (Michigan) | 1,964.93 mi (3,162.25 km) |
| Placentia to Hanahan (South Carolina) | 2,171.84 mi (3,495.23 km) |
| Placentia to Hanford (California) | 197.29 mi (317.50 km) |
| Placentia to Hannibal (Missouri) | 1,512.26 mi (2,433.75 km) |
| Placentia to Hanover (Pennsylvania) | 2,276.55 mi (3,663.75 km) |
| Placentia to Hanover Park (Illinois) | 1,702.97 mi (2,740.66 km) |
| Placentia to Happy Valley (Oregon) | 835.47 mi (1,344.56 km) |
| Placentia to Harker Heights (Texas) | 1,192.17 mi (1,918.61 km) |
| Placentia to Harlingen (Texas) | 1,314.47 mi (2,115.44 km) |
| Placentia to Harper Woods (Michigan) | 1,971.66 mi (3,173.08 km) |
| Placentia to Harrisburg (North Carolina) | 2,106.03 mi (3,389.33 km) |
| Placentia to Harrisburg (Pennsylvania) | 2,280.43 mi (3,670.00 km) |
| Placentia to Harrison (Arkansas) | 1,404.56 mi (2,260.42 km) |
| Placentia to Harrison (New Jersey) | 2,422.30 mi (3,898.32 km) |
| Placentia to Harrison (New York) | 2,443.92 mi (3,933.11 km) |
