| North Potomac to Seysses | 3,932.69 mi (6,329.05 km) |
| North Potomac to Sin-le-Noble | 3,824.01 mi (6,154.14 km) |
| North Potomac to Six-Fours-les-Plages | 4,148.40 mi (6,676.21 km) |
| North Potomac to Soissons | 3,858.02 mi (6,208.88 km) |
| North Potomac to Soisy-sous-Montmorency | 3,825.43 mi (6,156.43 km) |
| North Potomac to Sollies-Pont | 4,155.49 mi (6,687.62 km) |
| North Potomac to Somain | 3,831.00 mi (6,165.40 km) |
| North Potomac to Sorgues | 4,077.81 mi (6,562.61 km) |
| North Potomac to Sotteville-les-Rouen | 3,763.95 mi (6,057.49 km) |
| North Potomac to Soyaux | 3,822.63 mi (6,151.94 km) |
| North Potomac to Stains | 3,829.92 mi (6,163.67 km) |
| North Potomac to Stiring-Wendel | 4,012.10 mi (6,456.85 km) |
| North Potomac to Strasbourg | 4,063.70 mi (6,539.90 km) |
| North Potomac to Sucy-en-Brie | 3,840.49 mi (6,180.67 km) |
| North Potomac to Suresnes | 3,825.12 mi (6,155.93 km) |
