| Guadarrama to Barberino di Mugello | 814.55 mi (1,310.90 km) |
| Guadarrama to Barcellona-Pozzo di Gotto | 1,043.01 mi (1,678.56 km) |
| Guadarrama to Bareggio | 737.06 mi (1,186.18 km) |
| Guadarrama to Barga | 778.76 mi (1,253.30 km) |
| Guadarrama to Bari | 1,092.21 mi (1,757.75 km) |
| Guadarrama to Barletta | 1,060.89 mi (1,707.34 km) |
| Guadarrama to Baronissi | 985.86 mi (1,586.58 km) |
| Guadarrama to Barrafranca | 1,005.97 mi (1,618.95 km) |
| Guadarrama to Bassano del Grappa | 869.01 mi (1,398.54 km) |
| Guadarrama to Battipaglia | 997.91 mi (1,605.97 km) |
| Guadarrama to Beinasco | 662.24 mi (1,065.77 km) |
| Guadarrama to Bellinzago Novarese | 724.55 mi (1,166.05 km) |
| Guadarrama to Belluno | 899.22 mi (1,447.16 km) |
| Guadarrama to Belmonte Mezzagno | 949.12 mi (1,527.46 km) |
| Guadarrama to Belpasso | 1,042.07 mi (1,677.05 km) |
