| Seattle to Seysses | 5,268.57 mi (8,478.95 km) |
| Seattle to Sin-le-Noble | 4,930.71 mi (7,935.21 km) |
| Seattle to Six-Fours-les-Plages | 5,418.14 mi (8,719.66 km) |
| Seattle to Soissons | 4,991.49 mi (8,033.02 km) |
| Seattle to Soisy-sous-Montmorency | 4,986.91 mi (8,025.66 km) |
| Seattle to Sollies-Pont | 5,418.98 mi (8,721.01 km) |
| Seattle to Somain | 4,935.29 mi (7,942.58 km) |
| Seattle to Sorgues | 5,339.71 mi (8,593.44 km) |
| Seattle to Sotteville-les-Rouen | 4,931.24 mi (7,936.07 km) |
| Seattle to Soyaux | 5,116.40 mi (8,234.06 km) |
| Seattle to Stains | 4,991.24 mi (8,032.63 km) |
| Seattle to Stiring-Wendel | 5,092.81 mi (8,196.08 km) |
| Seattle to Strasbourg | 5,148.70 mi (8,286.02 km) |
| Seattle to Sucy-en-Brie | 5,005.07 mi (8,054.87 km) |
| Seattle to Suresnes | 4,991.42 mi (8,032.91 km) |
