| Mairena del Aljarafe to Beyne-Heusay | 1,084.16 mi (1,744.78 km) |
| Mairena del Aljarafe to Bierbeek | 1,074.06 mi (1,728.53 km) |
| Mairena del Aljarafe to Bilzen | 1,094.65 mi (1,761.66 km) |
| Mairena del Aljarafe to Binche | 1,034.58 mi (1,664.99 km) |
| Mairena del Aljarafe to Bissegem | 1,037.44 mi (1,669.60 km) |
| Mairena del Aljarafe to Blankenberge | 1,064.50 mi (1,713.15 km) |
| Mairena del Aljarafe to Blegny | 1,089.11 mi (1,752.75 km) |
| Mairena del Aljarafe to Bocholt | 1,113.40 mi (1,791.85 km) |
| Mairena del Aljarafe to Boechout | 1,085.62 mi (1,747.14 km) |
| Mairena del Aljarafe to Bonheiden | 1,080.01 mi (1,738.10 km) |
| Mairena del Aljarafe to Boom | 1,079.02 mi (1,736.51 km) |
| Mairena del Aljarafe to Boortmeerbeek | 1,077.90 mi (1,734.71 km) |
| Mairena del Aljarafe to Borgerhout | 1,088.23 mi (1,751.34 km) |
| Mairena del Aljarafe to Borgloon | 1,086.62 mi (1,748.74 km) |
| Mairena del Aljarafe to Bornem | 1,076.91 mi (1,733.13 km) |
