| Castel Bolognese to Brescia | 114.46 mi (184.21 km) |
| Castel Bolognese to Bressanone | 165.95 mi (267.08 km) |
| Castel Bolognese to Bresso | 153.13 mi (246.44 km) |
| Castel Bolognese to Brindisi | 402.87 mi (648.35 km) |
| Castel Bolognese to Broni | 134.91 mi (217.12 km) |
| Castel Bolognese to Bronte | 478.19 mi (769.57 km) |
| Castel Bolognese to Brugherio | 149.02 mi (239.82 km) |
| Castel Bolognese to Brugnera | 115.09 mi (185.22 km) |
| Castel Bolognese to Bruino | 218.33 mi (351.37 km) |
| Castel Bolognese to Brunico | 171.45 mi (275.92 km) |
| Castel Bolognese to Brusciano | 269.94 mi (434.43 km) |
| Castel Bolognese to Bucine | 58.30 mi (93.83 km) |
| Castel Bolognese to Budrio | 20.81 mi (33.49 km) |
| Castel Bolognese to Busca | 214.27 mi (344.84 km) |
| Castel Bolognese to Bussolengo | 92.06 mi (148.16 km) |
