| Castel Bolognese to Bois-Colombes | 552.22 mi (888.71 km) |
| Castel Bolognese to Bois-d'Arcy | 557.35 mi (896.96 km) |
| Castel Bolognese to Bois-Guillaume | 616.39 mi (991.98 km) |
| Castel Bolognese to Boissy-Saint-Leger | 536.83 mi (863.94 km) |
| Castel Bolognese to Bolbec | 644.96 mi (1,037.96 km) |
| Castel Bolognese to Bollene | 348.58 mi (560.99 km) |
| Castel Bolognese to Bondoufle | 537.07 mi (864.33 km) |
| Castel Bolognese to Bondues | 598.99 mi (963.98 km) |
| Castel Bolognese to Bondy | 543.39 mi (874.50 km) |
| Castel Bolognese to Bonneuil-sur-Marne | 538.55 mi (866.72 km) |
| Castel Bolognese to Bonneville | 289.62 mi (466.10 km) |
| Castel Bolognese to Bordeaux | 609.76 mi (981.31 km) |
| Castel Bolognese to Borgo | 170.29 mi (274.05 km) |
| Castel Bolognese to Bouc-Bel-Air | 323.43 mi (520.51 km) |
| Castel Bolognese to Boucau | 662.79 mi (1,066.66 km) |
