| On Top of the World Designated Place to Silver Firs (Washington) | 2,476.37 mi (3,985.33 km) |
| On Top of the World Designated Place to Silver Spring (Maryland) | 746.94 mi (1,202.08 km) |
| On Top of the World Designated Place to Silver Springs Shores (Florida) | 16.41 mi (26.41 km) |
| On Top of the World Designated Place to Silverdale (Washington) | 2,496.21 mi (4,017.26 km) |
| On Top of the World Designated Place to Silverton (Oregon) | 2,455.11 mi (3,951.12 km) |
| On Top of the World Designated Place to Simi Valley (California) | 2,161.55 mi (3,478.68 km) |
| On Top of the World Designated Place to Simpsonville (South Carolina) | 388.51 mi (625.24 km) |
| On Top of the World Designated Place to Sioux City (Iowa) | 1,213.33 mi (1,952.67 km) |
| On Top of the World Designated Place to Sioux Falls (South Dakota) | 1,277.08 mi (2,055.26 km) |
| On Top of the World Designated Place to Skokie (Illinois) | 943.95 mi (1,519.14 km) |
| On Top of the World Designated Place to Sleepy Hollow (New York) | 953.99 mi (1,535.30 km) |
| On Top of the World Designated Place to Slidell (Louisiana) | 457.18 mi (735.76 km) |
| On Top of the World Designated Place to Smithfield (North Carolina) | 498.73 mi (802.62 km) |
| On Top of the World Designated Place to Smithfield (Utah) | 1,867.29 mi (3,005.12 km) |
| On Top of the World Designated Place to Smithville (Missouri) | 996.92 mi (1,604.39 km) |
