| North Potomac to Brie-Comte-Robert | 3,846.23 mi (6,189.91 km) |
| North Potomac to Brignais | 4,022.53 mi (6,473.63 km) |
| North Potomac to Brignoles | 4,149.59 mi (6,678.12 km) |
| North Potomac to Brive-la-Gaillarde | 3,895.27 mi (6,268.83 km) |
| North Potomac to Bron | 4,027.55 mi (6,481.72 km) |
| North Potomac to Bruay-sur-l'Escaut | 3,840.56 mi (6,180.79 km) |
| North Potomac to Bruges | 3,806.75 mi (6,126.37 km) |
| North Potomac to Brumath | 4,057.77 mi (6,530.35 km) |
| North Potomac to Brunoy | 3,841.59 mi (6,182.44 km) |
| North Potomac to Bruz | 3,676.59 mi (5,916.90 km) |
| North Potomac to Bry-sur-Marne | 3,838.60 mi (6,177.63 km) |
| North Potomac to Bully-les-Mines | 3,806.08 mi (6,125.30 km) |
| North Potomac to Bures-sur-Yvette | 3,827.13 mi (6,159.17 km) |
| North Potomac to Bussy-Saint-Georges | 3,845.98 mi (6,189.51 km) |
| North Potomac to Buxerolles | 3,803.86 mi (6,121.72 km) |
