| Castle Rock to Hunters Creek (Florida) | 1,537.25 mi (2,473.96 km) |
| Castle Rock to Huntersville (North Carolina) | 1,340.55 mi (2,157.41 km) |
| Castle Rock to Huntington (Indiana) | 1,025.25 mi (1,649.98 km) |
| Castle Rock to Huntington (Virginia) | 1,484.52 mi (2,389.10 km) |
| Castle Rock to Huntington (West Virginia) | 1,204.36 mi (1,938.23 km) |
| Castle Rock to Huntington Beach (California) | 827.55 mi (1,331.82 km) |
| Castle Rock to Huntington Park (California) | 827.88 mi (1,332.34 km) |
| Castle Rock to Huntington Station (New York) | 1,656.00 mi (2,665.07 km) |
| Castle Rock to Huntley (Illinois) | 879.02 mi (1,414.65 km) |
| Castle Rock to Huntsville (Alabama) | 1,053.01 mi (1,694.65 km) |
| Castle Rock to Huntsville (Texas) | 796.48 mi (1,281.82 km) |
| Castle Rock to Huron (South Dakota) | 485.01 mi (780.54 km) |
| Castle Rock to Hurricane (Utah) | 485.81 mi (781.84 km) |
| Castle Rock to Hurst (Texas) | 622.16 mi (1,001.27 km) |
| Castle Rock to Hutchinson (Kansas) | 385.06 mi (619.70 km) |
