| Potomac to Sanary-sur-Mer | 4,148.18 mi (6,675.85 km) |
| Potomac to Sannois | 3,825.75 mi (6,156.95 km) |
| Potomac to Saran | 3,836.19 mi (6,173.75 km) |
| Potomac to Sarcelles | 3,830.32 mi (6,164.31 km) |
| Potomac to Sarlat-la-Caneda | 3,889.88 mi (6,260.15 km) |
| Potomac to Sarrebourg | 4,032.47 mi (6,489.64 km) |
| Potomac to Sarreguemines | 4,022.32 mi (6,473.29 km) |
| Potomac to Sartrouville | 3,822.71 mi (6,152.06 km) |
| Potomac to Sarzeau | 3,645.14 mi (5,866.29 km) |
| Potomac to Sassenage | 4,077.73 mi (6,562.47 km) |
| Potomac to Saumur | 3,769.45 mi (6,066.34 km) |
| Potomac to Savenay | 3,685.40 mi (5,931.09 km) |
| Potomac to Saverne | 4,045.02 mi (6,509.82 km) |
| Potomac to Savigny-le-Temple | 3,849.54 mi (6,195.24 km) |
| Potomac to Savigny-sur-Orge | 3,837.01 mi (6,175.07 km) |
