| McLean to Silver Firs (Washington) | 2,304.02 mi (3,707.97 km) |
| McLean to Silver Spring (Maryland) | 10.18 mi (16.39 km) |
| McLean to Silver Springs Shores (Florida) | 732.89 mi (1,179.47 km) |
| McLean to Silverdale (Washington) | 2,329.19 mi (3,748.47 km) |
| McLean to Silverton (Oregon) | 2,347.03 mi (3,777.18 km) |
| McLean to Simi Valley (California) | 2,307.34 mi (3,713.31 km) |
| McLean to Simpsonville (South Carolina) | 403.82 mi (649.89 km) |
| McLean to Sioux City (Iowa) | 1,032.29 mi (1,661.30 km) |
| McLean to Sioux Falls (South Dakota) | 1,060.61 mi (1,706.89 km) |
| McLean to Skokie (Illinois) | 593.40 mi (954.99 km) |
| McLean to Sleepy Hollow (New York) | 230.12 mi (370.34 km) |
| McLean to Slidell (Louisiana) | 931.10 mi (1,498.46 km) |
| McLean to Smithfield (North Carolina) | 245.38 mi (394.90 km) |
| McLean to Smithfield (Utah) | 1,821.04 mi (2,930.68 km) |
| McLean to Smithville (Missouri) | 930.11 mi (1,496.87 km) |
