| Silver Spring to Solofra | 4,622.42 mi (7,439.07 km) |
| Silver Spring to Somma Lombardo | 4,187.48 mi (6,739.10 km) |
| Silver Spring to Somma Vesuviana | 4,602.72 mi (7,407.37 km) |
| Silver Spring to Sommacampagna | 4,288.62 mi (6,901.86 km) |
| Silver Spring to Sona | 4,286.81 mi (6,898.95 km) |
| Silver Spring to Sondrio | 4,221.94 mi (6,794.56 km) |
| Silver Spring to Sora | 4,535.79 mi (7,299.65 km) |
| Silver Spring to Sorbolo | 4,289.68 mi (6,903.57 km) |
| Silver Spring to Soresina | 4,249.85 mi (6,839.47 km) |
| Silver Spring to Sorisole | 4,226.71 mi (6,802.23 km) |
| Silver Spring to Sorrento | 4,608.93 mi (7,417.36 km) |
| Silver Spring to Sorso | 4,342.27 mi (6,988.21 km) |
| Silver Spring to Sortino | 4,768.90 mi (7,674.81 km) |
| Silver Spring to Soverato Marina | 4,779.26 mi (7,691.48 km) |
| Silver Spring to Sovicille | 4,376.22 mi (7,042.85 km) |
