| Rancho Santa Margarita to Baraboo (Wisconsin) | 1,641.56 mi (2,641.84 km) |
| Rancho Santa Margarita to Barberton (Ohio) | 2,026.94 mi (3,262.04 km) |
| Rancho Santa Margarita to Bardstown (Kentucky) | 1,816.93 mi (2,924.06 km) |
| Rancho Santa Margarita to Barrington (Illinois) | 1,701.05 mi (2,737.57 km) |
| Rancho Santa Margarita to Barstow (California) | 90.92 mi (146.32 km) |
| Rancho Santa Margarita to Bartlesville (Oklahoma) | 1,238.67 mi (1,993.44 km) |
| Rancho Santa Margarita to Bartlett (Illinois) | 1,694.94 mi (2,727.74 km) |
| Rancho Santa Margarita to Bartlett (Tennessee) | 1,581.79 mi (2,545.65 km) |
| Rancho Santa Margarita to Bartow (Florida) | 2,150.05 mi (3,460.17 km) |
| Rancho Santa Margarita to Batavia (Illinois) | 1,688.08 mi (2,716.70 km) |
| Rancho Santa Margarita to Batavia (New York) | 2,210.24 mi (3,557.04 km) |
| Rancho Santa Margarita to Batesville (Arkansas) | 1,478.59 mi (2,379.56 km) |
| Rancho Santa Margarita to Baton Rouge (Louisiana) | 1,561.49 mi (2,512.98 km) |
| Rancho Santa Margarita to Battle Creek (Michigan) | 1,849.03 mi (2,975.73 km) |
| Rancho Santa Margarita to Battle Ground (Washington) | 878.83 mi (1,414.34 km) |
