| Upper Grand Lagoon to Siloam Springs (Arkansas) | 656.12 mi (1,055.92 km) |
| Upper Grand Lagoon to Silver Firs (Washington) | 2,274.26 mi (3,660.07 km) |
| Upper Grand Lagoon to Silver Spring (Maryland) | 785.64 mi (1,264.37 km) |
| Upper Grand Lagoon to Silver Springs Shores (Florida) | 235.33 mi (378.73 km) |
| Upper Grand Lagoon to Silverdale (Washington) | 2,293.31 mi (3,690.73 km) |
| Upper Grand Lagoon to Silverton (Oregon) | 2,246.05 mi (3,614.67 km) |
| Upper Grand Lagoon to Simi Valley (California) | 1,941.58 mi (3,124.67 km) |
| Upper Grand Lagoon to Simpsonville (South Carolina) | 374.78 mi (603.15 km) |
| Upper Grand Lagoon to Sioux City (Iowa) | 1,035.78 mi (1,666.93 km) |
| Upper Grand Lagoon to Sioux Falls (South Dakota) | 1,103.50 mi (1,775.91 km) |
| Upper Grand Lagoon to Skokie (Illinois) | 827.42 mi (1,331.61 km) |
| Upper Grand Lagoon to Sleepy Hollow (New York) | 1,004.99 mi (1,617.38 km) |
| Upper Grand Lagoon to Slidell (Louisiana) | 241.43 mi (388.55 km) |
| Upper Grand Lagoon to Smithfield (North Carolina) | 565.75 mi (910.48 km) |
| Upper Grand Lagoon to Smithfield (Utah) | 1,656.46 mi (2,665.81 km) |
