| Rockford to Sesena | 4,241.23 mi (6,825.60 km) |
| Rockford to Sestao | 4,153.29 mi (6,684.07 km) |
| Rockford to Sevilla | 4,245.39 mi (6,832.30 km) |
| Rockford to Sevilla La Nueva | 4,217.46 mi (6,787.34 km) |
| Rockford to Silla | 4,415.02 mi (7,105.29 km) |
| Rockford to Silleda | 3,947.32 mi (6,352.60 km) |
| Rockford to Sitges | 4,437.56 mi (7,141.56 km) |
| Rockford to Socuellamos | 4,312.09 mi (6,939.64 km) |
| Rockford to Soller | 4,534.47 mi (7,297.53 km) |
| Rockford to Solsona | 4,395.59 mi (7,074.03 km) |
| Rockford to Son Servera | 4,568.81 mi (7,352.79 km) |
| Rockford to Sonseca | 4,245.15 mi (6,831.91 km) |
| Rockford to Sopelana | 4,151.86 mi (6,681.77 km) |
| Rockford to Soria | 4,233.23 mi (6,812.72 km) |
| Rockford to Suances | 4,104.08 mi (6,604.88 km) |
