| Porto to Brie-Comte-Robert | 755.28 mi (1,215.51 km) |
| Porto to Brignais | 738.92 mi (1,189.18 km) |
| Porto to Brignoles | 765.35 mi (1,231.70 km) |
| Porto to Brive-la-Gaillarde | 580.89 mi (934.85 km) |
| Porto to Bron | 747.71 mi (1,203.33 km) |
| Porto to Bruay-sur-l'Escaut | 864.23 mi (1,390.85 km) |
| Porto to Bruges | 479.00 mi (770.88 km) |
| Porto to Brumath | 951.53 mi (1,531.34 km) |
| Porto to Brunoy | 751.76 mi (1,209.85 km) |
| Porto to Bruz | 581.97 mi (936.58 km) |
| Porto to Bry-sur-Marne | 758.74 mi (1,221.07 km) |
| Porto to Bully-les-Mines | 840.57 mi (1,352.77 km) |
| Porto to Bures-sur-Yvette | 739.76 mi (1,190.53 km) |
| Porto to Bussy-Saint-Georges | 764.93 mi (1,231.03 km) |
| Porto to Buxerolles | 583.00 mi (938.25 km) |