| Silver Spring to Sestu | 4,417.48 mi (7,109.25 km) |
| Silver Spring to Settimo Torinese | 4,164.48 mi (6,702.08 km) |
| Silver Spring to Seveso | 4,207.51 mi (6,771.33 km) |
| Silver Spring to Sezze | 4,519.33 mi (7,273.15 km) |
| Silver Spring to Siano | 4,616.69 mi (7,429.84 km) |
| Silver Spring to Siena | 4,379.31 mi (7,047.82 km) |
| Silver Spring to Signa | 4,353.40 mi (7,006.12 km) |
| Silver Spring to Silea | 4,341.49 mi (6,986.96 km) |
| Silver Spring to Silvi Paese | 4,527.63 mi (7,286.52 km) |
| Silver Spring to Sinalunga | 4,400.35 mi (7,081.67 km) |
| Silver Spring to Siniscola | 4,400.85 mi (7,082.49 km) |
| Silver Spring to Sinnai | 4,422.51 mi (7,117.34 km) |
| Silver Spring to Siracusa | 4,784.29 mi (7,699.57 km) |
| Silver Spring to Solaro | 4,206.12 mi (6,769.09 km) |
| Silver Spring to Soliera | 4,313.74 mi (6,942.29 km) |
