| Castle Rock to Haverhill (Massachusetts) | 1,762.37 mi (2,836.27 km) |
| Castle Rock to Havre de Grace (Maryland) | 1,526.49 mi (2,456.64 km) |
| Castle Rock to Hawaiian Gardens (California) | 826.13 mi (1,329.53 km) |
| Castle Rock to Hawaiian Paradise Park (Hawaii) | 3,260.15 mi (5,246.71 km) |
| Castle Rock to Hawthorne (California) | 836.63 mi (1,346.43 km) |
| Castle Rock to Hawthorne (New Jersey) | 1,616.02 mi (2,600.74 km) |
| Castle Rock to Hayden (Idaho) | 831.30 mi (1,337.84 km) |
| Castle Rock to Hayesville (Oregon) | 1,002.53 mi (1,613.42 km) |
| Castle Rock to Hays (Kansas) | 298.38 mi (480.20 km) |
| Castle Rock to Haysville (Kansas) | 424.47 mi (683.12 km) |
| Castle Rock to Hayward (California) | 937.55 mi (1,508.84 km) |
| Castle Rock to Hazel Crest (Illinois) | 913.20 mi (1,469.65 km) |
| Castle Rock to Hazel Dell (Washington) | 1,002.67 mi (1,613.64 km) |
| Castle Rock to Hazel Park (Michigan) | 1,152.35 mi (1,854.53 km) |
| Castle Rock to Hazelwood (Missouri) | 775.92 mi (1,248.72 km) |
