| Le Portel to Brie-Comte-Robert | 146.69 mi (236.07 km) |
| Le Portel to Brignais | 377.25 mi (607.12 km) |
| Le Portel to Brignoles | 546.64 mi (879.74 km) |
| Le Portel to Brive-la-Gaillarde | 383.36 mi (616.96 km) |
| Le Portel to Bron | 375.98 mi (605.09 km) |
| Le Portel to Bruay-sur-l'Escaut | 88.90 mi (143.07 km) |
| Le Portel to Bruges | 414.94 mi (667.77 km) |
| Le Portel to Brumath | 306.01 mi (492.48 km) |
| Le Portel to Brunoy | 144.89 mi (233.18 km) |
| Le Portel to Bruz | 237.95 mi (382.94 km) |
| Le Portel to Bry-sur-Marne | 135.67 mi (218.34 km) |
| Le Portel to Bully-les-Mines | 53.72 mi (86.45 km) |
| Le Portel to Bures-sur-Yvette | 141.34 mi (227.47 km) |
| Le Portel to Bussy-Saint-Georges | 138.25 mi (222.50 km) |
| Le Portel to Buxerolles | 289.35 mi (465.67 km) |
