| Castanet-Tolosan to Barcellona-Pozzo di Gotto | 805.92 mi (1,297.00 km) |
| Castanet-Tolosan to Bareggio | 392.60 mi (631.84 km) |
| Castanet-Tolosan to Barga | 449.47 mi (723.36 km) |
| Castanet-Tolosan to Bari | 801.07 mi (1,289.21 km) |
| Castanet-Tolosan to Barletta | 768.24 mi (1,236.36 km) |
| Castanet-Tolosan to Baronissi | 705.61 mi (1,135.57 km) |
| Castanet-Tolosan to Barrafranca | 790.25 mi (1,271.78 km) |
| Castanet-Tolosan to Bassano del Grappa | 526.27 mi (846.95 km) |
| Castanet-Tolosan to Battipaglia | 719.18 mi (1,157.40 km) |
| Castanet-Tolosan to Beinasco | 318.35 mi (512.34 km) |
| Castanet-Tolosan to Bellinzago Novarese | 379.09 mi (610.09 km) |
| Castanet-Tolosan to Belluno | 555.13 mi (893.40 km) |
| Castanet-Tolosan to Belmonte Mezzagno | 726.43 mi (1,169.07 km) |
| Castanet-Tolosan to Belpasso | 816.59 mi (1,314.18 km) |
| Castanet-Tolosan to Belvedere Marittimo | 788.86 mi (1,269.55 km) |
