| Rancho Santa Margarita to Harrison (Ohio) | 1,854.00 mi (2,983.73 km) |
| Rancho Santa Margarita to Harrison (Wisconsin) | 1,724.01 mi (2,774.52 km) |
| Rancho Santa Margarita to Harrisonburg (Virginia) | 2,172.91 mi (3,496.96 km) |
| Rancho Santa Margarita to Hartford (Connecticut) | 2,489.53 mi (4,006.52 km) |
| Rancho Santa Margarita to Hartford (Wisconsin) | 1,705.25 mi (2,744.34 km) |
| Rancho Santa Margarita to Hartselle (Alabama) | 1,749.62 mi (2,815.75 km) |
| Rancho Santa Margarita to Hartsville (Tennessee) | 1,781.61 mi (2,867.22 km) |
| Rancho Santa Margarita to Harvey (Illinois) | 1,718.87 mi (2,766.25 km) |
| Rancho Santa Margarita to Harvey (Louisiana) | 1,633.06 mi (2,628.16 km) |
| Rancho Santa Margarita to Hasbrouck Heights (New Jersey) | 2,419.79 mi (3,894.28 km) |
| Rancho Santa Margarita to Haslett (Michigan) | 1,895.22 mi (3,050.06 km) |
| Rancho Santa Margarita to Hastings (Minnesota) | 1,522.19 mi (2,449.73 km) |
| Rancho Santa Margarita to Hastings (Nebraska) | 1,159.34 mi (1,865.78 km) |
| Rancho Santa Margarita to Hattiesburg (Mississippi) | 1,651.29 mi (2,657.49 km) |
| Rancho Santa Margarita to Hauppauge (New York) | 2,464.99 mi (3,967.02 km) |
