| Rancho Santa Margarita to Humble (Texas) | 1,332.42 mi (2,144.33 km) |
| Rancho Santa Margarita to Hunters Creek (Florida) | 2,161.43 mi (3,478.48 km) |
| Rancho Santa Margarita to Huntersville (North Carolina) | 2,082.44 mi (3,351.36 km) |
| Rancho Santa Margarita to Huntington (Indiana) | 1,823.18 mi (2,934.12 km) |
| Rancho Santa Margarita to Huntington (Virginia) | 2,268.37 mi (3,650.59 km) |
| Rancho Santa Margarita to Huntington (West Virginia) | 1,980.39 mi (3,187.13 km) |
| Rancho Santa Margarita to Huntington Beach (California) | 23.60 mi (37.97 km) |
| Rancho Santa Margarita to Huntington Park (California) | 42.86 mi (68.98 km) |
| Rancho Santa Margarita to Huntington Station (New York) | 2,454.78 mi (3,950.58 km) |
| Rancho Santa Margarita to Huntley (Illinois) | 1,685.81 mi (2,713.04 km) |
| Rancho Santa Margarita to Huntsville (Alabama) | 1,764.39 mi (2,839.51 km) |
| Rancho Santa Margarita to Huntsville (Texas) | 1,302.45 mi (2,096.09 km) |
| Rancho Santa Margarita to Huron (South Dakota) | 1,272.86 mi (2,048.47 km) |
| Rancho Santa Margarita to Hurricane (Utah) | 340.91 mi (548.64 km) |
| Rancho Santa Margarita to Hurst (Texas) | 1,179.38 mi (1,898.02 km) |
