| Spanish Lake to Siloam Springs (Arkansas) | 297.54 mi (478.84 km) |
| Spanish Lake to Silver Firs (Washington) | 1,708.57 mi (2,749.68 km) |
| Spanish Lake to Silver Spring (Maryland) | 708.66 mi (1,140.48 km) |
| Spanish Lake to Silver Springs Shores (Florida) | 816.13 mi (1,313.44 km) |
| Spanish Lake to Silverdale (Washington) | 1,730.83 mi (2,785.51 km) |
| Spanish Lake to Silverton (Oregon) | 1,716.77 mi (2,762.87 km) |
| Spanish Lake to Simi Valley (California) | 1,608.31 mi (2,588.32 km) |
| Spanish Lake to Simpsonville (South Carolina) | 521.59 mi (839.42 km) |
| Spanish Lake to Sioux City (Iowa) | 412.94 mi (664.56 km) |
| Spanish Lake to Sioux Falls (South Dakota) | 471.84 mi (759.35 km) |
| Spanish Lake to Skokie (Illinois) | 259.21 mi (417.15 km) |
| Spanish Lake to Sleepy Hollow (New York) | 878.52 mi (1,413.85 km) |
| Spanish Lake to Slidell (Louisiana) | 587.77 mi (945.92 km) |
| Spanish Lake to Smithfield (North Carolina) | 690.50 mi (1,111.26 km) |
| Spanish Lake to Smithfield (Utah) | 1,155.08 mi (1,858.92 km) |
