| Castle Rock to North Myrtle Beach (South Carolina) | 1,494.32 mi (2,404.87 km) |
| Castle Rock to North New Hyde Park (New York) | 1,642.14 mi (2,642.77 km) |
| Castle Rock to North Ogden (Utah) | 397.19 mi (639.22 km) |
| Castle Rock to North Olmsted (Ohio) | 1,211.43 mi (1,949.61 km) |
| Castle Rock to North Palm Beach (Florida) | 1,668.46 mi (2,685.13 km) |
| Castle Rock to North Plainfield (New Jersey) | 1,604.13 mi (2,581.60 km) |
| Castle Rock to North Platte (Nebraska) | 247.19 mi (397.82 km) |
| Castle Rock to North Port (Florida) | 1,554.84 mi (2,502.27 km) |
| Castle Rock to North Potomac (Maryland) | 1,472.24 mi (2,369.34 km) |
| Castle Rock to North Richland Hills (Texas) | 619.43 mi (996.88 km) |
| Castle Rock to North Ridgeville (Ohio) | 1,206.25 mi (1,941.28 km) |
| Castle Rock to North Royalton (Ohio) | 1,220.59 mi (1,964.35 km) |
| Castle Rock to North Salt Lake (Utah) | 386.75 mi (622.41 km) |
| Castle Rock to North St. Paul (Minnesota) | 719.92 mi (1,158.60 km) |
| Castle Rock to North Tonawanda (New York) | 1,368.63 mi (2,202.60 km) |
