| Rockville to Sesena | 3,792.42 mi (6,103.32 km) |
| Rockville to Sestao | 3,736.21 mi (6,012.85 km) |
| Rockville to Sevilla | 3,764.03 mi (6,057.62 km) |
| Rockville to Sevilla La Nueva | 3,769.58 mi (6,066.56 km) |
| Rockville to Silla | 3,972.18 mi (6,392.60 km) |
| Rockville to Silleda | 3,506.48 mi (5,643.13 km) |
| Rockville to Sitges | 4,019.44 mi (6,468.66 km) |
| Rockville to Socuellamos | 3,859.63 mi (6,211.47 km) |
| Rockville to Soller | 4,107.24 mi (6,609.97 km) |
| Rockville to Solsona | 3,983.11 mi (6,410.19 km) |
| Rockville to Son Servera | 4,143.00 mi (6,667.52 km) |
| Rockville to Sonseca | 3,791.91 mi (6,102.48 km) |
| Rockville to Sopelana | 3,735.55 mi (6,011.79 km) |
| Rockville to Soria | 3,803.76 mi (6,121.56 km) |
| Rockville to Suances | 3,684.51 mi (5,929.64 km) |
