| Lousa to Silver Firs (Washington) | 5,136.61 mi (8,266.58 km) |
| Lousa to Silver Spring (Maryland) | 3,567.65 mi (5,741.58 km) |
| Lousa to Silver Springs Shores (Florida) | 4,144.52 mi (6,669.97 km) |
| Lousa to Silverdale (Washington) | 5,163.94 mi (8,310.55 km) |
| Lousa to Silverton (Oregon) | 5,295.31 mi (8,521.98 km) |
| Lousa to Simi Valley (California) | 5,656.77 mi (9,103.68 km) |
| Lousa to Simpsonville (South Carolina) | 3,959.28 mi (6,371.84 km) |
| Lousa to Sioux City (Iowa) | 4,355.00 mi (7,008.69 km) |
| Lousa to Sioux Falls (South Dakota) | 4,332.87 mi (6,973.08 km) |
| Lousa to Skokie (Illinois) | 3,983.67 mi (6,411.09 km) |
| Lousa to Sleepy Hollow (New York) | 3,357.71 mi (5,403.71 km) |
| Lousa to Slidell (Louisiana) | 4,493.09 mi (7,230.93 km) |
| Lousa to Smithfield (North Carolina) | 3,739.14 mi (6,017.56 km) |
| Lousa to Smithfield (Utah) | 5,029.02 mi (8,093.43 km) |
| Lousa to Smithville (Missouri) | 4,385.05 mi (7,057.05 km) |
