| North Potomac to Bagnolet | 3,833.48 mi (6,169.40 km) |
| North Potomac to Bagnols-sur-Ceze | 4,061.87 mi (6,536.95 km) |
| North Potomac to Bailleul | 3,799.10 mi (6,114.06 km) |
| North Potomac to Balma | 3,937.89 mi (6,337.43 km) |
| North Potomac to Bar-le-Duc | 3,951.29 mi (6,358.99 km) |
| North Potomac to Barentin | 3,754.90 mi (6,042.93 km) |
| North Potomac to Basse-Goulaine | 3,708.49 mi (5,968.24 km) |
| North Potomac to Bastia | 4,323.37 mi (6,957.79 km) |
| North Potomac to Bayeux | 3,691.45 mi (5,940.82 km) |
| North Potomac to Bayonne | 3,805.16 mi (6,123.82 km) |
| North Potomac to Beaucaire | 4,073.73 mi (6,556.04 km) |
| North Potomac to Beauchamp | 3,820.14 mi (6,147.93 km) |
| North Potomac to Beaumont | 3,947.10 mi (6,352.25 km) |
| North Potomac to Beaumont-sur-Oise | 3,820.89 mi (6,149.12 km) |
| North Potomac to Beaune | 3,986.86 mi (6,416.23 km) |
