| Potomac to Bernburg | 4,128.67 mi (6,644.45 km) |
| Potomac to Bersenbruck | 3,960.51 mi (6,373.82 km) |
| Potomac to Besigheim | 4,110.48 mi (6,615.18 km) |
| Potomac to Bestwig | 4,011.64 mi (6,456.12 km) |
| Potomac to Betzdorf | 4,007.14 mi (6,448.87 km) |
| Potomac to Beverstedt | 3,970.55 mi (6,389.98 km) |
| Potomac to Beverungen | 4,041.33 mi (6,503.89 km) |
| Potomac to Bexbach | 4,023.22 mi (6,474.74 km) |
| Potomac to Biberach | 4,164.26 mi (6,701.73 km) |
| Potomac to Biblis | 4,062.03 mi (6,537.21 km) |
| Potomac to Bieber | 4,040.76 mi (6,502.97 km) |
| Potomac to Biedenkopf | 4,029.75 mi (6,485.26 km) |
| Potomac to Bielefeld | 3,998.56 mi (6,435.07 km) |
| Potomac to Bietigheim-Bissingen | 4,111.09 mi (6,616.16 km) |
| Potomac to Billerbeck | 3,951.33 mi (6,359.04 km) |
