| Rancho Santa Margarita to Beeville (Texas) | 1,227.27 mi (1,975.10 km) |
| Rancho Santa Margarita to Bel Air (Maryland) | 2,304.30 mi (3,708.42 km) |
| Rancho Santa Margarita to Bel Air North (Maryland) | 2,302.79 mi (3,705.98 km) |
| Rancho Santa Margarita to Bel Air South (Maryland) | 2,306.27 mi (3,711.58 km) |
| Rancho Santa Margarita to Belgrade (Montana) | 905.35 mi (1,457.01 km) |
| Rancho Santa Margarita to Bell (California) | 41.13 mi (66.19 km) |
| Rancho Santa Margarita to Bell Gardens (California) | 39.42 mi (63.44 km) |
| Rancho Santa Margarita to Bella Vista (Arkansas) | 1,330.65 mi (2,141.47 km) |
| Rancho Santa Margarita to Bellair-Meadowbrook Terrace (Florida) | 2,106.43 mi (3,389.97 km) |
| Rancho Santa Margarita to Bellaire (Texas) | 1,327.01 mi (2,135.61 km) |
| Rancho Santa Margarita to Belle Chasse (Louisiana) | 1,637.25 mi (2,634.90 km) |
| Rancho Santa Margarita to Belle Glade (Florida) | 2,245.46 mi (3,613.71 km) |
| Rancho Santa Margarita to Bellefontaine (Ohio) | 1,911.61 mi (3,076.44 km) |
| Rancho Santa Margarita to Bellefontaine Neighbors (Missouri) | 1,560.41 mi (2,511.23 km) |
| Rancho Santa Margarita to Belleville (Illinois) | 1,572.01 mi (2,529.90 km) |
