| Rancho Santa Margarita to Bixby (Oklahoma) | 1,240.26 mi (1,996.00 km) |
| Rancho Santa Margarita to Black Forest (Colorado) | 810.05 mi (1,303.65 km) |
| Rancho Santa Margarita to Blackfoot (Idaho) | 718.91 mi (1,156.97 km) |
| Rancho Santa Margarita to Blackhawk (California) | 376.70 mi (606.24 km) |
| Rancho Santa Margarita to Blacksburg (Virginia) | 2,093.93 mi (3,369.86 km) |
| Rancho Santa Margarita to Blackwells Mills (New Jersey) | 2,393.54 mi (3,852.04 km) |
| Rancho Santa Margarita to Blaine (Minnesota) | 1,517.75 mi (2,442.58 km) |
| Rancho Santa Margarita to Bloomingdale (Florida) | 2,124.88 mi (3,419.66 km) |
| Rancho Santa Margarita to Bloomingdale (Illinois) | 1,700.51 mi (2,736.71 km) |
| Rancho Santa Margarita to Bloomington (California) | 31.69 mi (51.00 km) |
| Rancho Santa Margarita to Bloomington (Illinois) | 1,639.67 mi (2,638.79 km) |
| Rancho Santa Margarita to Bloomington (Indiana) | 1,760.73 mi (2,833.62 km) |
| Rancho Santa Margarita to Bloomington (Minnesota) | 1,503.81 mi (2,420.14 km) |
| Rancho Santa Margarita to Bloomsburg (Pennsylvania) | 2,295.24 mi (3,693.83 km) |
| Rancho Santa Margarita to Blue Ash (Ohio) | 1,875.60 mi (3,018.48 km) |
