| Castel Bolognese to Brie-Comte-Robert | 530.81 mi (854.25 km) |
| Castel Bolognese to Brignais | 356.67 mi (574.00 km) |
| Castel Bolognese to Brignoles | 292.65 mi (470.97 km) |
| Castel Bolognese to Brive-la-Gaillarde | 506.94 mi (815.84 km) |
| Castel Bolognese to Bron | 350.21 mi (563.60 km) |
| Castel Bolognese to Bruay-sur-l'Escaut | 570.33 mi (917.86 km) |
| Castel Bolognese to Bruges | 611.30 mi (983.80 km) |
| Castel Bolognese to Brumath | 361.68 mi (582.06 km) |
| Castel Bolognese to Brunoy | 535.16 mi (861.26 km) |
| Castel Bolognese to Bruz | 695.76 mi (1,119.71 km) |
| Castel Bolognese to Bry-sur-Marne | 539.63 mi (868.46 km) |
| Castel Bolognese to Bully-les-Mines | 598.68 mi (963.48 km) |
| Castel Bolognese to Bures-sur-Yvette | 548.61 mi (882.91 km) |
| Castel Bolognese to Bussy-Saint-Georges | 532.90 mi (857.62 km) |
| Castel Bolognese to Buxerolles | 576.31 mi (927.48 km) |
