| North Potomac to Beuvry | 3,802.29 mi (6,119.20 km) |
| North Potomac to Beziers | 4,023.62 mi (6,475.39 km) |
| North Potomac to Bezons | 3,823.58 mi (6,153.45 km) |
| North Potomac to Biarritz | 3,801.76 mi (6,118.34 km) |
| North Potomac to Biganos | 3,796.66 mi (6,110.13 km) |
| North Potomac to Billere | 3,860.14 mi (6,212.29 km) |
| North Potomac to Biot | 4,188.50 mi (6,740.74 km) |
| North Potomac to Biscarrosse | 3,795.01 mi (6,107.48 km) |
| North Potomac to Bischheim | 4,063.05 mi (6,538.85 km) |
| North Potomac to Bischwiller | 4,062.87 mi (6,538.56 km) |
| North Potomac to Blagnac | 3,932.23 mi (6,328.32 km) |
| North Potomac to Blain | 3,689.05 mi (5,936.95 km) |
| North Potomac to Blanquefort | 3,804.87 mi (6,123.35 km) |
| North Potomac to Blois | 3,820.30 mi (6,148.18 km) |
| North Potomac to Bobigny | 3,833.32 mi (6,169.13 km) |
