| Rancho Santa Margarita to Bicaz | 6,431.76 mi (10,350.91 km) |
| Rancho Santa Margarita to Bistrita | 6,380.78 mi (10,268.88 km) |
| Rancho Santa Margarita to Blaj | 6,423.19 mi (10,337.13 km) |
| Rancho Santa Margarita to Bocsa | 6,413.63 mi (10,321.74 km) |
| Rancho Santa Margarita to Boldesti-Scaeni | 6,543.25 mi (10,530.34 km) |
| Rancho Santa Margarita to Bolintin Vale | 6,571.53 mi (10,575.86 km) |
| Rancho Santa Margarita to Borsa | 6,353.67 mi (10,225.25 km) |
| Rancho Santa Margarita to Botosani | 6,394.58 mi (10,291.08 km) |
| Rancho Santa Margarita to Brad | 6,397.63 mi (10,295.99 km) |
| Rancho Santa Margarita to Bragadiru | 6,581.46 mi (10,591.84 km) |
| Rancho Santa Margarita to Braila | 6,574.27 mi (10,580.26 km) |
| Rancho Santa Margarita to Brasov | 6,495.11 mi (10,452.86 km) |
| Rancho Santa Margarita to Breaza | 6,524.91 mi (10,500.82 km) |
| Rancho Santa Margarita to Bucharest | 6,580.91 mi (10,590.96 km) |
| Rancho Santa Margarita to Buftea | 6,568.90 mi (10,571.63 km) |
