| Castel Bolognese to Barberino di Mugello | 35.32 mi (56.84 km) |
| Castel Bolognese to Barcellona-Pozzo di Gotto | 461.47 mi (742.67 km) |
| Castel Bolognese to Bareggio | 159.12 mi (256.07 km) |
| Castel Bolognese to Barga | 67.41 mi (108.48 km) |
| Castel Bolognese to Bari | 338.66 mi (545.01 km) |
| Castel Bolognese to Barletta | 307.48 mi (494.83 km) |
| Castel Bolognese to Baronissi | 289.32 mi (465.62 km) |
| Castel Bolognese to Barrafranca | 496.25 mi (798.64 km) |
| Castel Bolognese to Bassano del Grappa | 100.24 mi (161.32 km) |
| Castel Bolognese to Battipaglia | 302.73 mi (487.19 km) |
| Castel Bolognese to Beinasco | 212.75 mi (342.39 km) |
| Castel Bolognese to Bellinzago Novarese | 177.85 mi (286.22 km) |
| Castel Bolognese to Belluno | 127.62 mi (205.38 km) |
| Castel Bolognese to Belmonte Mezzagno | 440.72 mi (709.27 km) |
| Castel Bolognese to Belpasso | 493.89 mi (794.84 km) |
