| Castel Volturno to Bougival | 787.72 mi (1,267.71 km) |
| Castel Volturno to Bouguenais | 877.17 mi (1,411.66 km) |
| Castel Volturno to Boulogne-Billancourt | 782.83 mi (1,259.85 km) |
| Castel Volturno to Boulogne-sur-Mer | 890.42 mi (1,432.99 km) |
| Castel Volturno to Bourg-de-Peage | 525.26 mi (845.33 km) |
| Castel Volturno to Bourg-en-Bresse | 561.28 mi (903.29 km) |
| Castel Volturno to Bourg-la-Reine | 777.79 mi (1,251.73 km) |
| Castel Volturno to Bourg-les-Valence | 529.01 mi (851.36 km) |
| Castel Volturno to Bourges | 706.58 mi (1,137.13 km) |
| Castel Volturno to Bourgoin-Jallieu | 535.23 mi (861.37 km) |
| Castel Volturno to Bressuire | 818.92 mi (1,317.93 km) |
| Castel Volturno to Brest | 1,032.43 mi (1,661.54 km) |
| Castel Volturno to Bretigny-sur-Orge | 770.85 mi (1,240.57 km) |
| Castel Volturno to Breuillet | 773.77 mi (1,245.26 km) |
| Castel Volturno to Briancon | 453.71 mi (730.17 km) |
