| Rockville Centre to Sestu | 4,204.76 mi (6,766.91 km) |
| Rockville Centre to Settimo Torinese | 3,951.64 mi (6,359.56 km) |
| Rockville Centre to Seveso | 3,994.87 mi (6,429.12 km) |
| Rockville Centre to Sezze | 4,306.34 mi (6,930.38 km) |
| Rockville Centre to Siano | 4,403.70 mi (7,087.08 km) |
| Rockville Centre to Siena | 4,166.42 mi (6,705.20 km) |
| Rockville Centre to Signa | 4,140.56 mi (6,663.58 km) |
| Rockville Centre to Silea | 4,129.17 mi (6,645.26 km) |
| Rockville Centre to Silvi Paese | 4,314.79 mi (6,943.99 km) |
| Rockville Centre to Sinalunga | 4,187.46 mi (6,739.07 km) |
| Rockville Centre to Siniscola | 4,187.91 mi (6,739.79 km) |
| Rockville Centre to Sinnai | 4,209.77 mi (6,774.97 km) |
| Rockville Centre to Siracusa | 4,571.43 mi (7,357.01 km) |
| Rockville Centre to Solaro | 3,993.47 mi (6,426.87 km) |
| Rockville Centre to Soliera | 4,101.05 mi (6,600.00 km) |
