| Mairena del Aljarafe to Brescia | 1,013.41 mi (1,630.93 km) |
| Mairena del Aljarafe to Bressanone | 1,112.92 mi (1,791.08 km) |
| Mairena del Aljarafe to Bresso | 969.47 mi (1,560.21 km) |
| Mairena del Aljarafe to Brindisi | 1,304.78 mi (2,099.84 km) |
| Mairena del Aljarafe to Broni | 956.73 mi (1,539.71 km) |
| Mairena del Aljarafe to Bronte | 1,142.79 mi (1,839.13 km) |
| Mairena del Aljarafe to Brugherio | 975.00 mi (1,569.11 km) |
| Mairena del Aljarafe to Brugnera | 1,124.30 mi (1,809.38 km) |
| Mairena del Aljarafe to Bruino | 879.63 mi (1,415.63 km) |
| Mairena del Aljarafe to Brunico | 1,127.09 mi (1,813.87 km) |
| Mairena del Aljarafe to Brusciano | 1,122.68 mi (1,806.78 km) |
| Mairena del Aljarafe to Bucine | 1,020.07 mi (1,641.65 km) |
| Mairena del Aljarafe to Budrio | 1,042.07 mi (1,677.04 km) |
| Mairena del Aljarafe to Busca | 861.60 mi (1,386.62 km) |
| Mairena del Aljarafe to Bussolengo | 1,038.14 mi (1,670.73 km) |
