| Castle Rock to Arroyo Grande (California) | 912.24 mi (1,468.11 km) |
| Castle Rock to Artesia (California) | 825.17 mi (1,327.99 km) |
| Castle Rock to Artesia (New Mexico) | 451.57 mi (726.73 km) |
| Castle Rock to Artondale (Washington) | 1,044.56 mi (1,681.06 km) |
| Castle Rock to Arvada (Colorado) | 35.24 mi (56.72 km) |
| Castle Rock to Arvin (California) | 819.80 mi (1,319.33 km) |
| Castle Rock to Asbury Lake (Florida) | 1,454.38 mi (2,340.60 km) |
| Castle Rock to Asbury Park (New Jersey) | 1,629.96 mi (2,623.17 km) |
| Castle Rock to Ashburn (Virginia) | 1,460.64 mi (2,350.67 km) |
| Castle Rock to Asheboro (North Carolina) | 1,390.22 mi (2,237.35 km) |
| Castle Rock to Asheville (North Carolina) | 1,247.33 mi (2,007.38 km) |
| Castle Rock to Ashland (California) | 938.72 mi (1,510.73 km) |
| Castle Rock to Ashland (Kentucky) | 1,192.57 mi (1,919.25 km) |
| Castle Rock to Ashland (Ohio) | 1,191.91 mi (1,918.19 km) |
| Castle Rock to Ashland (Oregon) | 951.77 mi (1,531.73 km) |
