| Rancho Santa Margarita to Beacon (New York) | 2,423.92 mi (3,900.92 km) |
| Rancho Santa Margarita to Bear (Delaware) | 2,339.36 mi (3,764.83 km) |
| Rancho Santa Margarita to Beatrice (Nebraska) | 1,235.72 mi (1,988.69 km) |
| Rancho Santa Margarita to Beaufort (South Carolina) | 2,125.87 mi (3,421.26 km) |
| Rancho Santa Margarita to Beaumont (California) | 40.50 mi (65.18 km) |
| Rancho Santa Margarita to Beaumont (Texas) | 1,394.89 mi (2,244.85 km) |
| Rancho Santa Margarita to Beaver Dam (Wisconsin) | 1,685.56 mi (2,712.65 km) |
| Rancho Santa Margarita to Beavercreek (Ohio) | 1,893.74 mi (3,047.68 km) |
| Rancho Santa Margarita to Beaverton (Oregon) | 863.90 mi (1,390.32 km) |
| Rancho Santa Margarita to Beckley (West Virginia) | 2,050.01 mi (3,299.17 km) |
| Rancho Santa Margarita to Bedford (Indiana) | 1,761.77 mi (2,835.29 km) |
| Rancho Santa Margarita to Bedford (Ohio) | 2,031.89 mi (3,270.02 km) |
| Rancho Santa Margarita to Bedford (Texas) | 1,181.90 mi (1,902.09 km) |
| Rancho Santa Margarita to Bedford Heights (Ohio) | 2,033.53 mi (3,272.65 km) |
| Rancho Santa Margarita to Beech Grove (Indiana) | 1,786.23 mi (2,874.66 km) |
