| Castle Rock to Haines City (Florida) | 1,538.60 mi (2,476.14 km) |
| Castle Rock to Halawa (Hawaii) | 3,344.91 mi (5,383.12 km) |
| Castle Rock to Half Moon Bay (California) | 959.40 mi (1,544.01 km) |
| Castle Rock to Halfway (Maryland) | 1,438.58 mi (2,315.17 km) |
| Castle Rock to Hallandale Beach (Florida) | 1,700.20 mi (2,736.21 km) |
| Castle Rock to Haltom City (Texas) | 619.66 mi (997.24 km) |
| Castle Rock to Ham Lake (Minnesota) | 719.42 mi (1,157.80 km) |
| Castle Rock to Hamilton (Ohio) | 1,081.14 mi (1,739.92 km) |
| Castle Rock to Hamilton Square (New Jersey) | 1,596.46 mi (2,569.26 km) |
| Castle Rock to Hammond (Indiana) | 923.66 mi (1,486.49 km) |
| Castle Rock to Hammond (Louisiana) | 1,017.90 mi (1,638.15 km) |
| Castle Rock to Hammonton (New Jersey) | 1,596.15 mi (2,568.75 km) |
| Castle Rock to Hampton (Virginia) | 1,548.47 mi (2,492.02 km) |
| Castle Rock to Hampton Bays (New York) | 1,701.55 mi (2,738.39 km) |
| Castle Rock to Hamtramck (Michigan) | 1,154.22 mi (1,857.54 km) |
