| Potomac to Bunde | 3,996.12 mi (6,431.13 km) |
| Potomac to Burbach | 4,016.81 mi (6,464.43 km) |
| Potomac to Buren | 4,013.02 mi (6,458.34 km) |
| Potomac to Burg | 4,119.09 mi (6,629.03 km) |
| Potomac to Burgau | 4,179.52 mi (6,726.29 km) |
| Potomac to Burgdorf | 4,043.34 mi (6,507.12 km) |
| Potomac to Burghausen | 4,286.83 mi (6,898.99 km) |
| Potomac to Burgkirchen an der Alz | 4,282.10 mi (6,891.38 km) |
| Potomac to Burglengenfeld | 4,221.15 mi (6,793.29 km) |
| Potomac to Burgstadt | 4,197.73 mi (6,755.60 km) |
| Potomac to Burgthann | 4,187.52 mi (6,739.17 km) |
| Potomac to Burladingen | 4,130.61 mi (6,647.58 km) |
| Potomac to Burscheid | 3,968.26 mi (6,386.30 km) |
| Potomac to Burstadt | 4,063.49 mi (6,539.55 km) |
| Potomac to Buttelborn | 4,058.20 mi (6,531.04 km) |
