| Riverdale to Sestu | 4,967.37 mi (7,994.21 km) |
| Riverdale to Settimo Torinese | 4,720.06 mi (7,596.21 km) |
| Riverdale to Seveso | 4,763.69 mi (7,666.41 km) |
| Riverdale to Sezze | 5,073.76 mi (8,165.42 km) |
| Riverdale to Siano | 5,171.16 mi (8,322.18 km) |
| Riverdale to Siena | 4,934.58 mi (7,941.44 km) |
| Riverdale to Signa | 4,908.93 mi (7,900.16 km) |
| Riverdale to Silea | 4,898.15 mi (7,882.81 km) |
| Riverdale to Silvi Paese | 5,083.18 mi (8,180.59 km) |
| Riverdale to Sinalunga | 4,955.66 mi (7,975.37 km) |
| Riverdale to Siniscola | 4,952.80 mi (7,970.76 km) |
| Riverdale to Sinnai | 4,972.47 mi (8,002.42 km) |
| Riverdale to Siracusa | 5,335.18 mi (8,586.15 km) |
| Riverdale to Solaro | 4,762.27 mi (7,664.14 km) |
| Riverdale to Soliera | 4,869.79 mi (7,837.17 km) |
