| Potomac to Bingen am Rhein | 4,031.55 mi (6,488.15 km) |
| Potomac to Birkenau | 4,076.00 mi (6,559.69 km) |
| Potomac to Birkenfeld | 4,093.66 mi (6,588.11 km) |
| Potomac to Bischofsheim | 4,049.27 mi (6,516.67 km) |
| Potomac to Bischofswerda | 4,243.60 mi (6,829.41 km) |
| Potomac to Bisingen | 4,122.05 mi (6,633.80 km) |
| Potomac to Bissendorf | 3,978.39 mi (6,402.59 km) |
| Potomac to Bitburg | 3,976.13 mi (6,398.97 km) |
| Potomac to Bitterfeld | 4,156.67 mi (6,689.52 km) |
| Potomac to Blankenburg | 4,099.12 mi (6,596.89 km) |
| Potomac to Blankenfelde | 4,175.26 mi (6,719.43 km) |
| Potomac to Blaubeuren | 4,154.68 mi (6,686.31 km) |
| Potomac to Bleicherode | 4,095.03 mi (6,590.31 km) |
| Potomac to Blieskastel | 4,026.17 mi (6,479.49 km) |
| Potomac to Blomberg | 4,022.36 mi (6,473.36 km) |
