| Lake in the Hills to Silver Firs (Washington) | 1,682.07 mi (2,707.02 km) |
| Lake in the Hills to Silver Spring (Maryland) | 633.15 mi (1,018.96 km) |
| Lake in the Hills to Silver Springs Shores (Florida) | 970.34 mi (1,561.60 km) |
| Lake in the Hills to Silverdale (Washington) | 1,706.73 mi (2,746.71 km) |
| Lake in the Hills to Silverton (Oregon) | 1,720.77 mi (2,769.32 km) |
| Lake in the Hills to Simi Valley (California) | 1,727.79 mi (2,780.62 km) |
| Lake in the Hills to Simpsonville (South Carolina) | 611.53 mi (984.16 km) |
| Lake in the Hills to Sioux City (Iowa) | 411.09 mi (661.59 km) |
| Lake in the Hills to Sioux Falls (South Dakota) | 434.45 mi (699.18 km) |
| Lake in the Hills to Skokie (Illinois) | 32.94 mi (53.02 km) |
| Lake in the Hills to Sleepy Hollow (New York) | 750.35 mi (1,207.57 km) |
| Lake in the Hills to Slidell (Louisiana) | 826.23 mi (1,329.69 km) |
| Lake in the Hills to Smithfield (North Carolina) | 707.86 mi (1,139.18 km) |
| Lake in the Hills to Smithfield (Utah) | 1,201.74 mi (1,934.01 km) |
| Lake in the Hills to Smithville (Missouri) | 378.68 mi (609.43 km) |