| Saint-Nazaire to Bougival | 229.05 mi (368.63 km) |
| Saint-Nazaire to Bouguenais | 28.58 mi (46.00 km) |
| Saint-Nazaire to Boulogne-Billancourt | 232.26 mi (373.79 km) |
| Saint-Nazaire to Boulogne-sur-Mer | 294.92 mi (474.64 km) |
| Saint-Nazaire to Bourg-de-Peage | 380.24 mi (611.93 km) |
| Saint-Nazaire to Bourg-en-Bresse | 359.91 mi (579.23 km) |
| Saint-Nazaire to Bourg-la-Reine | 233.67 mi (376.05 km) |
| Saint-Nazaire to Bourg-les-Valence | 376.36 mi (605.69 km) |
| Saint-Nazaire to Bourges | 216.88 mi (349.03 km) |
| Saint-Nazaire to Bourgoin-Jallieu | 374.97 mi (603.45 km) |
| Saint-Nazaire to Bressuire | 86.56 mi (139.30 km) |
| Saint-Nazaire to Brest | 130.74 mi (210.41 km) |
| Saint-Nazaire to Bretigny-sur-Orge | 228.66 mi (367.99 km) |
| Saint-Nazaire to Breuillet | 221.78 mi (356.93 km) |
| Saint-Nazaire to Briancon | 454.45 mi (731.37 km) |
