| Rancho Santa Margarita to Badger (Alaska) | 2,488.80 mi (4,005.34 km) |
| Rancho Santa Margarita to Bailey's Crossroads (Virginia) | 2,265.09 mi (3,645.31 km) |
| Rancho Santa Margarita to Bainbridge (Georgia) | 1,930.45 mi (3,106.76 km) |
| Rancho Santa Margarita to Bainbridge Island (Washington) | 1,001.70 mi (1,612.09 km) |
| Rancho Santa Margarita to Baker (Louisiana) | 1,557.43 mi (2,506.44 km) |
| Rancho Santa Margarita to Bakersfield (California) | 144.35 mi (232.31 km) |
| Rancho Santa Margarita to Balch Springs (Texas) | 1,213.07 mi (1,952.24 km) |
| Rancho Santa Margarita to Baldwin (New York) | 2,444.87 mi (3,934.63 km) |
| Rancho Santa Margarita to Baldwin (Pennsylvania) | 2,111.34 mi (3,397.88 km) |
| Rancho Santa Margarita to Baldwin Park (California) | 37.82 mi (60.87 km) |
| Rancho Santa Margarita to Ballenger Creek (Maryland) | 2,247.57 mi (3,617.11 km) |
| Rancho Santa Margarita to Ballwin (Missouri) | 1,542.23 mi (2,481.97 km) |
| Rancho Santa Margarita to Baltimore (Maryland) | 2,290.85 mi (3,686.77 km) |
| Rancho Santa Margarita to Bangor (Maine) | 2,680.70 mi (4,314.17 km) |
| Rancho Santa Margarita to Banning (California) | 45.66 mi (73.49 km) |
