| Potomac to Berg en Dal | 3,901.42 mi (6,278.73 km) |
| Potomac to Bergambacht | 3,853.55 mi (6,201.70 km) |
| Potomac to Bergeijk | 3,891.97 mi (6,263.52 km) |
| Potomac to Bergen | 3,832.58 mi (6,167.95 km) |
| Potomac to Bergen | 3,912.40 mi (6,296.40 km) |
| Potomac to Bergen op Zoom | 3,845.26 mi (6,188.34 km) |
| Potomac to Best | 3,888.75 mi (6,258.34 km) |
| Potomac to Beuningen | 3,894.19 mi (6,267.09 km) |
| Potomac to Beverwijk | 3,834.51 mi (6,171.05 km) |
| Potomac to Bilthoven | 3,865.02 mi (6,220.16 km) |
| Potomac to Bladel | 3,885.34 mi (6,252.85 km) |
| Potomac to Blaricum | 3,863.53 mi (6,217.75 km) |
| Potomac to Blerick | 3,922.56 mi (6,312.75 km) |
| Potomac to Bloemendaal | 3,834.62 mi (6,171.22 km) |
| Potomac to Bodegraven | 3,848.49 mi (6,193.55 km) |
