| Fos-sur-Mer to Bougival | 397.12 mi (639.10 km) |
| Fos-sur-Mer to Bouguenais | 409.53 mi (659.07 km) |
| Fos-sur-Mer to Boulogne-Billancourt | 393.58 mi (633.40 km) |
| Fos-sur-Mer to Boulogne-sur-Mer | 526.14 mi (846.74 km) |
| Fos-sur-Mer to Bourg-de-Peage | 109.53 mi (176.27 km) |
| Fos-sur-Mer to Bourg-en-Bresse | 190.60 mi (306.75 km) |
| Fos-sur-Mer to Bourg-la-Reine | 388.81 mi (625.73 km) |
| Fos-sur-Mer to Bourg-les-Valence | 103.19 mi (166.07 km) |
| Fos-sur-Mer to Bourges | 279.69 mi (450.11 km) |
| Fos-sur-Mer to Bourgoin-Jallieu | 148.18 mi (238.47 km) |
| Fos-sur-Mer to Bressuire | 353.11 mi (568.27 km) |
| Fos-sur-Mer to Brest | 566.66 mi (911.95 km) |
| Fos-sur-Mer to Bretigny-sur-Orge | 378.05 mi (608.41 km) |
| Fos-sur-Mer to Breuillet | 377.34 mi (607.27 km) |
| Fos-sur-Mer to Briancon | 130.16 mi (209.47 km) |
