| Alton to Superior (Colorado) | 4,666.45 mi (7,509.93 km) |
| Alton to Superior (Wisconsin) | 3,872.89 mi (6,232.81 km) |
| Alton to Surprise (Arizona) | 5,255.65 mi (8,458.15 km) |
| Alton to Susanville (California) | 5,140.98 mi (8,273.61 km) |
| Alton to Sussex (Wisconsin) | 3,891.75 mi (6,263.17 km) |
| Alton to Suwanee (Georgia) | 4,152.09 mi (6,682.14 km) |
| Alton to Swansea (Illinois) | 4,173.74 mi (6,716.98 km) |
| Alton to Sweetwater (Florida) | 4,403.30 mi (7,086.43 km) |
| Alton to Sweetwater (Texas) | 4,881.36 mi (7,855.78 km) |
| Alton to Sycamore (Illinois) | 3,961.42 mi (6,375.30 km) |
| Alton to Sylacauga (Alabama) | 4,284.31 mi (6,894.93 km) |
| Alton to Sylvania (Ohio) | 3,781.55 mi (6,085.81 km) |
| Alton to Syosset (New York) | 3,408.92 mi (5,486.12 km) |
| Alton to Syracuse (New York) | 3,422.94 mi (5,508.68 km) |
| Alton to Syracuse (Utah) | 4,838.05 mi (7,786.09 km) |
