| Portsmouth to Brie-Comte-Robert | 220.36 mi (354.64 km) |
| Portsmouth to Brignais | 444.65 mi (715.60 km) |
| Portsmouth to Brignoles | 611.28 mi (983.76 km) |
| Portsmouth to Brive-la-Gaillarde | 408.51 mi (657.43 km) |
| Portsmouth to Bron | 445.45 mi (716.88 km) |
| Portsmouth to Bruay-sur-l'Escaut | 204.80 mi (329.60 km) |
| Portsmouth to Bruges | 409.83 mi (659.56 km) |
| Portsmouth to Brumath | 417.53 mi (671.94 km) |
| Portsmouth to Brunoy | 216.56 mi (348.52 km) |
| Portsmouth to Bruz | 194.42 mi (312.89 km) |
| Portsmouth to Bry-sur-Marne | 210.46 mi (338.71 km) |
| Portsmouth to Bully-les-Mines | 168.94 mi (271.88 km) |
| Portsmouth to Bures-sur-Yvette | 205.55 mi (330.80 km) |
| Portsmouth to Bussy-Saint-Georges | 216.47 mi (348.37 km) |
| Portsmouth to Buxerolles | 298.04 mi (479.64 km) |
