| Grayslake to Superior (Colorado) | 904.88 mi (1,456.26 km) |
| Grayslake to Superior (Wisconsin) | 360.81 mi (580.66 km) |
| Grayslake to Surprise (Arizona) | 1,450.89 mi (2,334.98 km) |
| Grayslake to Susanville (California) | 1,683.88 mi (2,709.94 km) |
| Grayslake to Sussex (Wisconsin) | 55.70 mi (89.64 km) |
| Grayslake to Suwanee (Georgia) | 611.70 mi (984.44 km) |
| Grayslake to Swansea (Illinois) | 281.22 mi (452.59 km) |
| Grayslake to Sweetwater (Florida) | 1,224.07 mi (1,969.94 km) |
| Grayslake to Sweetwater (Texas) | 960.58 mi (1,545.90 km) |
| Grayslake to Sycamore (Illinois) | 40.86 mi (65.76 km) |
| Grayslake to Sylacauga (Alabama) | 640.39 mi (1,030.61 km) |
| Grayslake to Sylvania (Ohio) | 226.17 mi (363.99 km) |
| Grayslake to Syosset (New York) | 757.48 mi (1,219.05 km) |
| Grayslake to Syracuse (New York) | 605.27 mi (974.08 km) |
| Grayslake to Syracuse (Utah) | 1,238.60 mi (1,993.33 km) |
