| San Marcos to Bicaz | 6,453.13 mi (10,385.31 km) |
| San Marcos to Bistrita | 6,401.63 mi (10,302.44 km) |
| San Marcos to Blaj | 6,443.50 mi (10,369.82 km) |
| San Marcos to Bocsa | 6,432.82 mi (10,352.62 km) |
| San Marcos to Boldesti-Scaeni | 6,564.01 mi (10,563.75 km) |
| San Marcos to Bolintin Vale | 6,591.99 mi (10,608.78 km) |
| San Marcos to Borsa | 6,374.76 mi (10,259.19 km) |
| San Marcos to Botosani | 6,416.43 mi (10,326.25 km) |
| San Marcos to Brad | 6,417.50 mi (10,327.96 km) |
| San Marcos to Bragadiru | 6,601.98 mi (10,624.86 km) |
| San Marcos to Braila | 6,595.85 mi (10,615.00 km) |
| San Marcos to Brasov | 6,515.90 mi (10,486.33 km) |
| San Marcos to Breaza | 6,545.57 mi (10,534.07 km) |
| San Marcos to Bucharest | 6,601.50 mi (10,624.10 km) |
| San Marcos to Buftea | 6,589.48 mi (10,604.74 km) |
