| Rock Island to Savannah (Georgia) | 833.38 mi (1,341.20 km) |
| Rock Island to Sayreville (New Jersey) | 849.82 mi (1,367.65 km) |
| Rock Island to Sayville (New York) | 910.78 mi (1,465.75 km) |
| Rock Island to Scaggsville (Maryland) | 738.63 mi (1,188.71 km) |
| Rock Island to Scarsdale (New York) | 872.51 mi (1,404.18 km) |
| Rock Island to Schaumburg (Illinois) | 134.51 mi (216.47 km) |
| Rock Island to Schenectady (New York) | 856.89 mi (1,379.03 km) |
| Rock Island to Schererville (Indiana) | 162.46 mi (261.46 km) |
| Rock Island to Schertz (Texas) | 927.84 mi (1,493.22 km) |
| Rock Island to Schiller Park (Illinois) | 143.96 mi (231.67 km) |
| Rock Island to Schofield Barracks (Hawaii) | 4,101.21 mi (6,600.26 km) |
| Rock Island to Scotchtown (New York) | 838.25 mi (1,349.03 km) |
| Rock Island to Scottdale (Georgia) | 632.63 mi (1,018.12 km) |
| Rock Island to Scotts Valley (California) | 1,699.08 mi (2,734.40 km) |
| Rock Island to Scottsbluff (Nebraska) | 674.94 mi (1,086.21 km) |
