| Madrid to Barberino di Mugello | 802.48 mi (1,291.46 km) |
| Madrid to Barcellona-Pozzo di Gotto | 1,021.86 mi (1,644.52 km) |
| Madrid to Bareggio | 729.21 mi (1,173.55 km) |
| Madrid to Barga | 767.09 mi (1,234.52 km) |
| Madrid to Bari | 1,074.96 mi (1,729.98 km) |
| Madrid to Barletta | 1,043.85 mi (1,679.91 km) |
| Madrid to Baronissi | 967.89 mi (1,557.67 km) |
| Madrid to Barrafranca | 983.75 mi (1,583.19 km) |
| Madrid to Bassano del Grappa | 860.25 mi (1,384.43 km) |
| Madrid to Battipaglia | 979.78 mi (1,576.80 km) |
| Madrid to Beinasco | 654.34 mi (1,053.06 km) |
| Madrid to Bellinzago Novarese | 717.21 mi (1,154.23 km) |
| Madrid to Belluno | 890.94 mi (1,433.83 km) |
| Madrid to Belmonte Mezzagno | 927.42 mi (1,492.53 km) |
| Madrid to Belpasso | 1,020.27 mi (1,641.97 km) |
