| Rancho Santa Margarita to Hamtramck (Michigan) | 1,959.98 mi (3,154.29 km) |
| Rancho Santa Margarita to Hanahan (South Carolina) | 2,160.04 mi (3,476.24 km) |
| Rancho Santa Margarita to Hanford (California) | 219.61 mi (353.44 km) |
| Rancho Santa Margarita to Hannibal (Missouri) | 1,505.59 mi (2,423.01 km) |
| Rancho Santa Margarita to Hanover (Pennsylvania) | 2,269.56 mi (3,652.51 km) |
| Rancho Santa Margarita to Hanover Park (Illinois) | 1,698.12 mi (2,732.85 km) |
| Rancho Santa Margarita to Happy Valley (Oregon) | 856.07 mi (1,377.71 km) |
| Rancho Santa Margarita to Harker Heights (Texas) | 1,176.40 mi (1,893.24 km) |
| Rancho Santa Margarita to Harlingen (Texas) | 1,295.09 mi (2,084.24 km) |
| Rancho Santa Margarita to Harper Woods (Michigan) | 1,966.74 mi (3,165.16 km) |
| Rancho Santa Margarita to Harrisburg (North Carolina) | 2,095.75 mi (3,372.78 km) |
| Rancho Santa Margarita to Harrisburg (Pennsylvania) | 2,273.77 mi (3,659.28 km) |
| Rancho Santa Margarita to Harrison (Arkansas) | 1,394.44 mi (2,244.14 km) |
| Rancho Santa Margarita to Harrison (New Jersey) | 2,416.01 mi (3,888.20 km) |
| Rancho Santa Margarita to Harrison (New York) | 2,437.83 mi (3,923.30 km) |
