| Maryland Heights to Silver Firs (Washington) | 1,698.91 mi (2,734.14 km) |
| Maryland Heights to Silver Spring (Maryland) | 723.46 mi (1,164.29 km) |
| Maryland Heights to Silver Springs Shores (Florida) | 821.22 mi (1,321.63 km) |
| Maryland Heights to Silverdale (Washington) | 1,721.06 mi (2,769.77 km) |
| Maryland Heights to Silverton (Oregon) | 1,705.77 mi (2,745.17 km) |
| Maryland Heights to Simi Valley (California) | 1,593.73 mi (2,564.86 km) |
| Maryland Heights to Simpsonville (South Carolina) | 531.78 mi (855.81 km) |
| Maryland Heights to Sioux City (Iowa) | 405.25 mi (652.19 km) |
| Maryland Heights to Sioux Falls (South Dakota) | 465.51 mi (749.17 km) |
| Maryland Heights to Skokie (Illinois) | 270.61 mi (435.50 km) |
| Maryland Heights to Sleepy Hollow (New York) | 893.68 mi (1,438.25 km) |
| Maryland Heights to Slidell (Louisiana) | 583.80 mi (939.53 km) |
| Maryland Heights to Smithfield (North Carolina) | 703.16 mi (1,131.63 km) |
| Maryland Heights to Smithfield (Utah) | 1,142.80 mi (1,839.15 km) |
| Maryland Heights to Smithville (Missouri) | 224.81 mi (361.79 km) |
