| Rockford to Santa Ursula | 4,076.44 mi (6,560.39 km) |
| Rockford to Santander | 4,113.55 mi (6,620.12 km) |
| Rockford to Santany | 4,569.66 mi (7,354.15 km) |
| Rockford to Santiago de Compostela | 3,927.55 mi (6,320.78 km) |
| Rockford to Santiago del Teide | 4,065.34 mi (6,542.54 km) |
| Rockford to Santiponce | 4,235.56 mi (6,816.47 km) |
| Rockford to Santomera | 4,437.76 mi (7,141.88 km) |
| Rockford to Santona | 4,129.22 mi (6,645.33 km) |
| Rockford to Santurce-Antiguo | 4,151.47 mi (6,681.15 km) |
| Rockford to Sarria | 3,980.46 mi (6,405.93 km) |
| Rockford to Sauzal | 4,077.10 mi (6,561.46 km) |
| Rockford to Sedavi | 4,413.58 mi (7,102.98 km) |
| Rockford to Segorbe | 4,392.41 mi (7,068.89 km) |
| Rockford to Segovia | 4,191.24 mi (6,745.15 km) |
| Rockford to Senmanat | 4,436.93 mi (7,140.54 km) |
