| Castelo Branco to Barberino di Mugello | 1,003.46 mi (1,614.91 km) |
| Castelo Branco to Barcellona-Pozzo di Gotto | 1,222.19 mi (1,966.93 km) |
| Castelo Branco to Bareggio | 921.96 mi (1,483.75 km) |
| Castelo Branco to Barga | 967.47 mi (1,556.99 km) |
| Castelo Branco to Bari | 1,279.76 mi (2,059.57 km) |
| Castelo Branco to Barletta | 1,248.68 mi (2,009.55 km) |
| Castelo Branco to Baronissi | 1,172.48 mi (1,886.92 km) |
| Castelo Branco to Barrafranca | 1,181.07 mi (1,900.76 km) |
| Castelo Branco to Bassano del Grappa | 1,054.93 mi (1,697.75 km) |
| Castelo Branco to Battipaglia | 1,184.28 mi (1,905.92 km) |
| Castelo Branco to Beinasco | 847.38 mi (1,363.72 km) |
| Castelo Branco to Bellinzago Novarese | 908.73 mi (1,462.47 km) |
| Castelo Branco to Belluno | 1,084.45 mi (1,745.25 km) |
| Castelo Branco to Belmonte Mezzagno | 1,126.43 mi (1,812.81 km) |
| Castelo Branco to Belpasso | 1,218.87 mi (1,961.58 km) |
