| Rockville Centre to Sesena | 3,577.23 mi (5,757.00 km) |
| Rockville Centre to Sestao | 3,520.17 mi (5,665.17 km) |
| Rockville Centre to Sevilla | 3,550.86 mi (5,714.56 km) |
| Rockville Centre to Sevilla La Nueva | 3,554.34 mi (5,720.16 km) |
| Rockville Centre to Silla | 3,756.81 mi (6,046.01 km) |
| Rockville Centre to Silleda | 3,290.87 mi (5,296.15 km) |
| Rockville Centre to Sitges | 3,803.45 mi (6,121.05 km) |
| Rockville Centre to Socuellamos | 3,644.64 mi (5,865.47 km) |
| Rockville Centre to Soller | 3,891.44 mi (6,262.66 km) |
| Rockville Centre to Solsona | 3,767.05 mi (6,062.48 km) |
| Rockville Centre to Son Servera | 3,927.17 mi (6,320.18 km) |
| Rockville Centre to Sonseca | 3,576.92 mi (5,756.49 km) |
| Rockville Centre to Sopelana | 3,519.50 mi (5,664.09 km) |
| Rockville Centre to Soria | 3,587.93 mi (5,774.22 km) |
| Rockville Centre to Suances | 3,468.48 mi (5,581.99 km) |