| West Monroe to Siloam Springs (Arkansas) | 287.76 mi (463.10 km) |
| West Monroe to Silver Firs (Washington) | 1,886.99 mi (3,036.82 km) |
| West Monroe to Silver Spring (Maryland) | 957.83 mi (1,541.48 km) |
| West Monroe to Silver Springs Shores (Florida) | 645.37 mi (1,038.62 km) |
| West Monroe to Silverdale (Washington) | 1,904.57 mi (3,065.10 km) |
| West Monroe to Silverton (Oregon) | 1,846.83 mi (2,972.18 km) |
| West Monroe to Simi Valley (California) | 1,534.83 mi (2,470.07 km) |
| West Monroe to Simpsonville (South Carolina) | 589.23 mi (948.28 km) |
| West Monroe to Sioux City (Iowa) | 727.63 mi (1,171.01 km) |
| West Monroe to Sioux Falls (South Dakota) | 801.32 mi (1,289.60 km) |
| West Monroe to Skokie (Illinois) | 701.05 mi (1,128.22 km) |
| West Monroe to Sleepy Hollow (New York) | 1,168.74 mi (1,880.90 km) |
| West Monroe to Slidell (Louisiana) | 207.61 mi (334.12 km) |
| West Monroe to Smithfield (North Carolina) | 816.42 mi (1,313.91 km) |
| West Monroe to Smithfield (Utah) | 1,255.77 mi (2,020.96 km) |
