| Castle Rock to Holiday (Florida) | 1,480.46 mi (2,382.58 km) |
| Castle Rock to Holiday City-Berkeley (New Jersey) | 1,618.57 mi (2,604.84 km) |
| Castle Rock to Holladay (Utah) | 379.17 mi (610.21 km) |
| Castle Rock to Holland (Michigan) | 1,002.34 mi (1,613.10 km) |
| Castle Rock to Hollins (Virginia) | 1,352.02 mi (2,175.86 km) |
| Castle Rock to Hollister (California) | 914.72 mi (1,472.11 km) |
| Castle Rock to Holly Hill (Florida) | 1,521.85 mi (2,449.18 km) |
| Castle Rock to Holly Springs (Georgia) | 1,180.32 mi (1,899.55 km) |
| Castle Rock to Holly Springs (North Carolina) | 1,443.49 mi (2,323.07 km) |
| Castle Rock to Hollywood (Florida) | 1,697.06 mi (2,731.15 km) |
| Castle Rock to Holmen (Wisconsin) | 768.53 mi (1,236.82 km) |
| Castle Rock to Holt (Michigan) | 1,080.53 mi (1,738.94 km) |
| Castle Rock to Holtsville (New York) | 1,674.96 mi (2,695.59 km) |
| Castle Rock to Holyoke (Massachusetts) | 1,686.19 mi (2,713.67 km) |
| Castle Rock to Home Gardens (California) | 797.01 mi (1,282.67 km) |
