| Rancho Santa Margarita to Arroyo Grande (California) | 199.03 mi (320.31 km) |
| Rancho Santa Margarita to Artesia (California) | 32.11 mi (51.68 km) |
| Rancho Santa Margarita to Artesia (New Mexico) | 762.58 mi (1,227.25 km) |
| Rancho Santa Margarita to Artondale (Washington) | 980.45 mi (1,577.88 km) |
| Rancho Santa Margarita to Arvada (Colorado) | 810.39 mi (1,304.19 km) |
| Rancho Santa Margarita to Arvin (California) | 128.79 mi (207.26 km) |
| Rancho Santa Margarita to Asbury Lake (Florida) | 2,106.22 mi (3,389.63 km) |
| Rancho Santa Margarita to Asbury Park (New Jersey) | 2,425.26 mi (3,903.07 km) |
| Rancho Santa Margarita to Ashburn (Virginia) | 2,246.07 mi (3,614.70 km) |
| Rancho Santa Margarita to Asheboro (North Carolina) | 2,138.72 mi (3,441.93 km) |
| Rancho Santa Margarita to Asheville (North Carolina) | 1,987.12 mi (3,197.97 km) |
| Rancho Santa Margarita to Ashland (California) | 378.16 mi (608.58 km) |
| Rancho Santa Margarita to Ashland (Kentucky) | 1,968.94 mi (3,168.70 km) |
| Rancho Santa Margarita to Ashland (Ohio) | 1,989.32 mi (3,201.50 km) |
| Rancho Santa Margarita to Ashland (Oregon) | 653.12 mi (1,051.10 km) |
