| Potomac to Rouvroy | 3,816.52 mi (6,142.09 km) |
| Potomac to Royan | 3,768.92 mi (6,065.49 km) |
| Potomac to Rueil-Malmaison | 3,824.98 mi (6,155.72 km) |
| Potomac to Rumilly | 4,069.98 mi (6,550.00 km) |
| Potomac to Sable-sur-Sarthe | 3,743.69 mi (6,024.89 km) |
| Potomac to Saint-Amand-les-Eaux | 3,836.57 mi (6,174.37 km) |
| Potomac to Saint-Amand-Montrond | 3,896.07 mi (6,270.12 km) |
| Potomac to Saint-Andre | 3,815.57 mi (6,140.57 km) |
| Potomac to Saint-Andre-de-Cubzac | 3,812.36 mi (6,135.41 km) |
| Potomac to Saint-Andre-les-Vergers | 3,919.85 mi (6,308.39 km) |
| Potomac to Saint-Ave | 3,642.94 mi (5,862.75 km) |
| Potomac to Saint-Avertin | 3,801.67 mi (6,118.19 km) |
| Potomac to Saint-Avold | 4,007.58 mi (6,449.58 km) |
| Potomac to Saint-Barthelemy-d'Anjou | 3,746.00 mi (6,028.60 km) |
| Potomac to Saint-Brevin-les-Pins | 3,678.30 mi (5,919.65 km) |
