| Potomac to Arlesheim | 4,092.75 mi (6,586.65 km) |
| Potomac to Arth | 4,143.81 mi (6,668.82 km) |
| Potomac to Baar | 4,139.32 mi (6,661.59 km) |
| Potomac to Baden | 4,122.06 mi (6,633.81 km) |
| Potomac to Basel | 4,089.63 mi (6,581.62 km) |
| Potomac to Bassersdorf | 4,136.53 mi (6,657.11 km) |
| Potomac to Bellinzona | 4,192.34 mi (6,746.91 km) |
| Potomac to Belp | 4,105.68 mi (6,607.46 km) |
| Potomac to Bern | 4,101.86 mi (6,601.30 km) |
| Potomac to Bernex | 4,066.01 mi (6,543.61 km) |
| Potomac to Biberist | 4,099.47 mi (6,597.45 km) |
| Potomac to Biel/Bienne | 4,087.91 mi (6,578.85 km) |
| Potomac to Binningen | 4,089.26 mi (6,581.03 km) |
| Potomac to Birsfelden | 4,091.04 mi (6,583.90 km) |
| Potomac to Brig-Glis | 4,143.26 mi (6,667.93 km) |
