| Forest to Silver Firs (Washington) | 4,917.34 mi (7,913.70 km) |
| Forest to Silver Spring (Maryland) | 3,857.26 mi (6,207.66 km) |
| Forest to Silver Springs Shores (Florida) | 4,535.82 mi (7,299.70 km) |
| Forest to Silverdale (Washington) | 4,942.09 mi (7,953.53 km) |
| Forest to Silverton (Oregon) | 5,100.81 mi (8,208.95 km) |
| Forest to Simi Valley (California) | 5,616.56 mi (9,038.97 km) |
| Forest to Simpsonville (South Carolina) | 4,270.08 mi (6,872.03 km) |
| Forest to Sioux City (Iowa) | 4,428.07 mi (7,126.30 km) |
| Forest to Sioux Falls (South Dakota) | 4,387.90 mi (7,061.64 km) |
| Forest to Skokie (Illinois) | 4,136.04 mi (6,656.31 km) |
| Forest to Sleepy Hollow (New York) | 3,636.86 mi (5,852.97 km) |
| Forest to Slidell (Louisiana) | 4,795.08 mi (7,716.93 km) |
| Forest to Smithfield (North Carolina) | 4,072.87 mi (6,554.66 km) |
| Forest to Smithfield (Utah) | 4,972.77 mi (8,002.90 km) |
| Forest to Smithville (Missouri) | 4,518.42 mi (7,271.69 km) |
