| Mentor to Silver Firs (Washington) | 2,021.95 mi (3,254.01 km) |
| Mentor to Silver Spring (Maryland) | 293.36 mi (472.11 km) |
| Mentor to Silver Springs Shores (Florida) | 869.80 mi (1,399.80 km) |
| Mentor to Silverdale (Washington) | 2,047.50 mi (3,295.13 km) |
| Mentor to Silverton (Oregon) | 2,072.12 mi (3,334.75 km) |
| Mentor to Simi Valley (California) | 2,083.59 mi (3,353.21 km) |
| Mentor to Simpsonville (South Carolina) | 483.51 mi (778.14 km) |
| Mentor to Sioux City (Iowa) | 772.83 mi (1,243.74 km) |
| Mentor to Sioux Falls (South Dakota) | 791.98 mi (1,274.56 km) |
| Mentor to Skokie (Illinois) | 330.31 mi (531.59 km) |
| Mentor to Sleepy Hollow (New York) | 388.95 mi (625.96 km) |
| Mentor to Slidell (Louisiana) | 917.29 mi (1,476.23 km) |
| Mentor to Smithfield (North Carolina) | 456.10 mi (734.02 km) |
| Mentor to Smithfield (Utah) | 1,563.09 mi (2,515.55 km) |
| Mentor to Smithville (Missouri) | 712.23 mi (1,146.22 km) |
