| Olonne-sur-Mer to Bougival | 242.81 mi (390.77 km) |
| Olonne-sur-Mer to Bouguenais | 44.89 mi (72.24 km) |
| Olonne-sur-Mer to Boulogne-Billancourt | 245.07 mi (394.40 km) |
| Olonne-sur-Mer to Boulogne-sur-Mer | 328.17 mi (528.14 km) |
| Olonne-sur-Mer to Bourg-de-Peage | 344.51 mi (554.44 km) |
| Olonne-sur-Mer to Bourg-en-Bresse | 334.47 mi (538.27 km) |
| Olonne-sur-Mer to Bourg-la-Reine | 245.34 mi (394.84 km) |
| Olonne-sur-Mer to Bourg-les-Valence | 339.62 mi (546.57 km) |
| Olonne-sur-Mer to Bourges | 200.74 mi (323.05 km) |
| Olonne-sur-Mer to Bourgoin-Jallieu | 344.02 mi (553.65 km) |
| Olonne-sur-Mer to Bressuire | 64.38 mi (103.62 km) |
| Olonne-sur-Mer to Brest | 180.30 mi (290.17 km) |
| Olonne-sur-Mer to Bretigny-sur-Orge | 238.08 mi (383.15 km) |
| Olonne-sur-Mer to Breuillet | 231.26 mi (372.17 km) |
| Olonne-sur-Mer to Briancon | 420.91 mi (677.39 km) |
