| Le Portel to Bougival | 129.73 mi (208.78 km) |
| Le Portel to Bouguenais | 283.63 mi (456.45 km) |
| Le Portel to Boulogne-Billancourt | 132.69 mi (213.55 km) |
| Le Portel to Boulogne-sur-Mer | 2.27 mi (3.65 km) |
| Le Portel to Bourg-de-Peage | 423.41 mi (681.41 km) |
| Le Portel to Bourg-en-Bresse | 353.13 mi (568.31 km) |
| Le Portel to Bourg-la-Reine | 137.21 mi (220.81 km) |
| Le Portel to Bourg-les-Valence | 426.60 mi (686.55 km) |
| Le Portel to Bourges | 253.05 mi (407.24 km) |
| Le Portel to Bourgoin-Jallieu | 392.65 mi (631.91 km) |
| Le Portel to Bressuire | 283.15 mi (455.69 km) |
| Le Portel to Brest | 315.29 mi (507.41 km) |
| Le Portel to Bretigny-sur-Orge | 148.43 mi (238.88 km) |
| Le Portel to Breuillet | 150.30 mi (241.89 km) |
| Le Portel to Briancon | 464.91 mi (748.20 km) |
