| Rancho Santa Margarita to Brandermill (Virginia) | 2,244.60 mi (3,612.34 km) |
| Rancho Santa Margarita to Brandon (Florida) | 2,121.37 mi (3,414.01 km) |
| Rancho Santa Margarita to Brandon (Mississippi) | 1,598.68 mi (2,572.82 km) |
| Rancho Santa Margarita to Brandon (South Dakota) | 1,321.46 mi (2,126.69 km) |
| Rancho Santa Margarita to Branson (Missouri) | 1,386.86 mi (2,231.93 km) |
| Rancho Santa Margarita to Braselton (Georgia) | 1,929.60 mi (3,105.38 km) |
| Rancho Santa Margarita to Brawley (California) | 127.78 mi (205.64 km) |
| Rancho Santa Margarita to Brea (California) | 25.42 mi (40.91 km) |
| Rancho Santa Margarita to Brecksville (Ohio) | 2,027.24 mi (3,262.53 km) |
| Rancho Santa Margarita to Bremerton (Washington) | 997.37 mi (1,605.12 km) |
| Rancho Santa Margarita to Brenham (Texas) | 1,264.32 mi (2,034.73 km) |
| Rancho Santa Margarita to Brent (Florida) | 1,784.23 mi (2,871.44 km) |
| Rancho Santa Margarita to Brentwood (California) | 376.41 mi (605.78 km) |
| Rancho Santa Margarita to Brentwood (New York) | 2,462.97 mi (3,963.77 km) |
| Rancho Santa Margarita to Brentwood (Tennessee) | 1,748.83 mi (2,814.48 km) |
