| Leander to Silver Firs (Washington) | 1,751.76 mi (2,819.18 km) |
| Leander to Silver Spring (Maryland) | 1,313.99 mi (2,114.67 km) |
| Leander to Silver Springs Shores (Florida) | 954.27 mi (1,535.74 km) |
| Leander to Silverdale (Washington) | 1,764.83 mi (2,840.22 km) |
| Leander to Silverton (Oregon) | 1,675.36 mi (2,696.24 km) |
| Leander to Simi Valley (California) | 1,242.31 mi (1,999.31 km) |
| Leander to Simpsonville (South Carolina) | 950.94 mi (1,530.38 km) |
| Leander to Sioux City (Iowa) | 827.81 mi (1,332.23 km) |
| Leander to Sioux Falls (South Dakota) | 898.06 mi (1,445.29 km) |
| Leander to Skokie (Illinois) | 970.50 mi (1,561.87 km) |
| Leander to Sleepy Hollow (New York) | 1,520.53 mi (2,447.05 km) |
| Leander to Slidell (Louisiana) | 481.60 mi (775.07 km) |
| Leander to Smithfield (North Carolina) | 1,178.22 mi (1,896.16 km) |
| Leander to Smithfield (Utah) | 1,097.96 mi (1,767.00 km) |
| Leander to Smithville (Missouri) | 636.99 mi (1,025.13 km) |
