| South El Monte to Siloam Springs (Arkansas) | 1,333.97 mi (2,146.82 km) |
| South El Monte to Silver Firs (Washington) | 977.79 mi (1,573.60 km) |
| South El Monte to Silver Spring (Maryland) | 2,284.06 mi (3,675.84 km) |
| South El Monte to Silver Springs Shores (Florida) | 2,137.08 mi (3,439.30 km) |
| South El Monte to Silverdale (Washington) | 971.04 mi (1,562.74 km) |
| South El Monte to Silverton (Oregon) | 797.37 mi (1,283.24 km) |
| South El Monte to Simi Valley (California) | 42.77 mi (68.83 km) |
| South El Monte to Simpsonville (South Carolina) | 2,030.39 mi (3,267.60 km) |
| South El Monte to Sioux City (Iowa) | 1,306.62 mi (2,102.80 km) |
| South El Monte to Sioux Falls (South Dakota) | 1,316.40 mi (2,118.54 km) |
| South El Monte to Skokie (Illinois) | 1,728.44 mi (2,781.65 km) |
| South El Monte to Sleepy Hollow (New York) | 2,440.88 mi (3,928.21 km) |
| South El Monte to Slidell (Louisiana) | 1,668.02 mi (2,684.42 km) |
| South El Monte to Smithfield (North Carolina) | 2,239.88 mi (3,604.73 km) |
| South El Monte to Smithfield (Utah) | 635.43 mi (1,022.62 km) |
