| Alcala la Real to Blumberg | 954.50 mi (1,536.12 km) |
| Alcala la Real to Bobenheim-Roxheim | 1,037.00 mi (1,668.88 km) |
| Alcala la Real to Bobingen | 1,052.63 mi (1,694.04 km) |
| Alcala la Real to Boblingen | 1,011.40 mi (1,627.70 km) |
| Alcala la Real to Bocholt | 1,117.96 mi (1,799.19 km) |
| Alcala la Real to Bochum | 1,111.28 mi (1,788.43 km) |
| Alcala la Real to Bockenem | 1,215.10 mi (1,955.52 km) |
| Alcala la Real to Bockhorn | 1,240.91 mi (1,997.05 km) |
| Alcala la Real to Bogen | 1,147.30 mi (1,846.40 km) |
| Alcala la Real to Bohl-Iggelheim | 1,024.35 mi (1,648.54 km) |
| Alcala la Real to Bohmte | 1,188.20 mi (1,912.22 km) |
| Alcala la Real to Boizenburg | 1,303.29 mi (2,097.45 km) |
| Alcala la Real to Bonen | 1,131.07 mi (1,820.27 km) |
| Alcala la Real to Bonn | 1,065.67 mi (1,715.02 km) |
| Alcala la Real to Bopfingen | 1,063.47 mi (1,711.49 km) |
