| Castel Bolognese to Bagnolet | 544.68 mi (876.57 km) |
| Castel Bolognese to Bagnols-sur-Ceze | 355.46 mi (572.06 km) |
| Castel Bolognese to Bailleul | 612.09 mi (985.07 km) |
| Castel Bolognese to Balma | 514.29 mi (827.66 km) |
| Castel Bolognese to Bar-le-Duc | 440.26 mi (708.52 km) |
| Castel Bolognese to Barentin | 625.41 mi (1,006.51 km) |
| Castel Bolognese to Basse-Goulaine | 669.05 mi (1,076.73 km) |
| Castel Bolognese to Bastia | 162.25 mi (261.12 km) |
| Castel Bolognese to Bayeux | 682.37 mi (1,098.16 km) |
| Castel Bolognese to Bayonne | 662.84 mi (1,066.74 km) |
| Castel Bolognese to Beaucaire | 356.95 mi (574.46 km) |
| Castel Bolognese to Beauchamp | 558.74 mi (899.21 km) |
| Castel Bolognese to Beaumont | 436.77 mi (702.92 km) |
| Castel Bolognese to Beaumont-sur-Oise | 559.83 mi (900.95 km) |
| Castel Bolognese to Beaune | 384.43 mi (618.68 km) |
