| Fort Madison to Sestu | 4,987.71 mi (8,026.95 km) |
| Fort Madison to Settimo Torinese | 4,689.92 mi (7,547.69 km) |
| Fort Madison to Seveso | 4,722.67 mi (7,600.40 km) |
| Fort Madison to Sezze | 5,054.24 mi (8,134.01 km) |
| Fort Madison to Siano | 5,149.98 mi (8,288.10 km) |
| Fort Madison to Siena | 4,906.28 mi (7,895.90 km) |
| Fort Madison to Signa | 4,877.27 mi (7,849.20 km) |
| Fort Madison to Silea | 4,843.32 mi (7,794.57 km) |
| Fort Madison to Silvi Paese | 5,048.94 mi (8,125.48 km) |
| Fort Madison to Sinalunga | 4,926.47 mi (7,928.38 km) |
| Fort Madison to Siniscola | 4,958.17 mi (7,979.41 km) |
| Fort Madison to Sinnai | 4,992.24 mi (8,034.24 km) |
| Fort Madison to Siracusa | 5,344.24 mi (8,600.73 km) |
| Fort Madison to Solaro | 4,721.76 mi (7,598.94 km) |
| Fort Madison to Soliera | 4,829.79 mi (7,772.80 km) |
