| Castelfiorentino to Bougival | 556.42 mi (895.48 km) |
| Castelfiorentino to Bouguenais | 657.99 mi (1,058.93 km) |
| Castelfiorentino to Boulogne-Billancourt | 551.51 mi (887.57 km) |
| Castelfiorentino to Boulogne-sur-Mer | 658.87 mi (1,060.35 km) |
| Castelfiorentino to Bourg-de-Peage | 308.81 mi (496.98 km) |
| Castelfiorentino to Bourg-en-Bresse | 333.43 mi (536.60 km) |
| Castelfiorentino to Bourg-la-Reine | 546.49 mi (879.49 km) |
| Castelfiorentino to Bourg-les-Valence | 314.37 mi (505.93 km) |
| Castelfiorentino to Bourges | 480.42 mi (773.17 km) |
| Castelfiorentino to Bourgoin-Jallieu | 311.82 mi (501.83 km) |
| Castelfiorentino to Bressuire | 600.06 mi (965.71 km) |
| Castelfiorentino to Brest | 810.50 mi (1,304.37 km) |
| Castelfiorentino to Bretigny-sur-Orge | 539.81 mi (868.73 km) |
| Castelfiorentino to Breuillet | 542.91 mi (873.73 km) |
| Castelfiorentino to Briancon | 232.30 mi (373.84 km) |
