| Potomac to Sceaux | 3,832.12 mi (6,167.20 km) |
| Potomac to Schiltigheim | 4,064.97 mi (6,541.93 km) |
| Potomac to Scionzier | 4,090.42 mi (6,582.90 km) |
| Potomac to Seclin | 3,817.78 mi (6,144.12 km) |
| Potomac to Sedan | 3,918.21 mi (6,305.75 km) |
| Potomac to Selestat | 4,062.97 mi (6,538.72 km) |
| Potomac to Sene | 3,644.39 mi (5,865.08 km) |
| Potomac to Senlis | 3,833.52 mi (6,169.45 km) |
| Potomac to Sens | 3,889.65 mi (6,259.78 km) |
| Potomac to Septemes-les-Vallons | 4,119.87 mi (6,630.29 km) |
| Potomac to Serris | 3,850.99 mi (6,197.56 km) |
| Potomac to Sete | 4,044.59 mi (6,509.15 km) |
| Potomac to Sevran | 3,838.35 mi (6,177.22 km) |
| Potomac to Sevres | 3,827.62 mi (6,159.96 km) |
| Potomac to Seynod | 4,075.88 mi (6,559.50 km) |
