| Castle Rock to Austin (Minnesota) | 681.36 mi (1,096.54 km) |
| Castle Rock to Austin (Texas) | 744.65 mi (1,198.40 km) |
| Castle Rock to Austintown (Ohio) | 1,273.30 mi (2,049.18 km) |
| Castle Rock to Avenal (California) | 864.55 mi (1,391.36 km) |
| Castle Rock to Avenel (New Jersey) | 1,613.13 mi (2,596.09 km) |
| Castle Rock to Aventura (Florida) | 1,701.71 mi (2,738.64 km) |
| Castle Rock to Avocado Heights (California) | 814.97 mi (1,311.57 km) |
| Castle Rock to Avon (Indiana) | 981.93 mi (1,580.26 km) |
| Castle Rock to Avon (Ohio) | 1,206.23 mi (1,941.24 km) |
| Castle Rock to Avon Lake (Ohio) | 1,206.34 mi (1,941.41 km) |
| Castle Rock to Avondale (Arizona) | 586.00 mi (943.07 km) |
| Castle Rock to Azalea Park (Florida) | 1,536.70 mi (2,473.07 km) |
| Castle Rock to Azle (Texas) | 605.48 mi (974.43 km) |
| Castle Rock to Azusa (California) | 807.31 mi (1,299.23 km) |
| Castle Rock to Bacliff (Texas) | 882.42 mi (1,420.12 km) |
