| Smyrna to Sestu | 4,960.30 mi (7,982.83 km) |
| Smyrna to Settimo Torinese | 4,711.24 mi (7,582.01 km) |
| Smyrna to Seveso | 4,754.53 mi (7,651.68 km) |
| Smyrna to Sezze | 5,065.42 mi (8,152.01 km) |
| Smyrna to Siano | 5,162.81 mi (8,308.75 km) |
| Smyrna to Siena | 4,925.91 mi (7,927.48 km) |
| Smyrna to Signa | 4,900.14 mi (7,886.01 km) |
| Smyrna to Silea | 4,888.62 mi (7,867.47 km) |
| Smyrna to Silvi Paese | 5,074.38 mi (8,166.43 km) |
| Smyrna to Sinalunga | 4,946.97 mi (7,961.38 km) |
| Smyrna to Siniscola | 4,945.22 mi (7,958.57 km) |
| Smyrna to Sinnai | 4,965.38 mi (7,991.00 km) |
| Smyrna to Siracusa | 5,327.89 mi (8,574.41 km) |
| Smyrna to Solaro | 4,753.14 mi (7,649.43 km) |
| Smyrna to Soliera | 4,860.72 mi (7,822.57 km) |
