| San Fernando de Henares to Bicaz | 1,536.54 mi (2,472.83 km) |
| San Fernando de Henares to Bistrita | 1,464.09 mi (2,356.22 km) |
| San Fernando de Henares to Blaj | 1,428.23 mi (2,298.51 km) |
| San Fernando de Henares to Bocsa | 1,316.70 mi (2,119.02 km) |
| San Fernando de Henares to Boldesti-Scaeni | 1,524.93 mi (2,454.14 km) |
| San Fernando de Henares to Bolintin Vale | 1,510.89 mi (2,431.55 km) |
| San Fernando de Henares to Borsa | 1,477.11 mi (2,377.18 km) |
| San Fernando de Henares to Botosani | 1,570.34 mi (2,527.21 km) |
| San Fernando de Henares to Brad | 1,374.41 mi (2,211.90 km) |
| San Fernando de Henares to Bragadiru | 1,521.63 mi (2,448.83 km) |
| San Fernando de Henares to Braila | 1,619.16 mi (2,605.78 km) |
| San Fernando de Henares to Brasov | 1,506.80 mi (2,424.96 km) |
| San Fernando de Henares to Breaza | 1,507.36 mi (2,425.86 km) |
| San Fernando de Henares to Bucharest | 1,527.99 mi (2,459.07 km) |
| San Fernando de Henares to Buftea | 1,520.45 mi (2,446.93 km) |
