| Frankfort to Silver Firs (Washington) | 1,975.71 mi (3,179.60 km) |
| Frankfort to Silver Spring (Maryland) | 427.10 mi (687.35 km) |
| Frankfort to Silver Springs Shores (Florida) | 648.30 mi (1,043.34 km) |
| Frankfort to Silverdale (Washington) | 1,999.07 mi (3,217.19 km) |
| Frankfort to Silverton (Oregon) | 1,995.39 mi (3,211.27 km) |
| Frankfort to Simi Valley (California) | 1,897.25 mi (3,053.33 km) |
| Frankfort to Simpsonville (South Carolina) | 279.73 mi (450.18 km) |
| Frankfort to Sioux City (Iowa) | 675.09 mi (1,086.45 km) |
| Frankfort to Sioux Falls (South Dakota) | 720.74 mi (1,159.92 km) |
| Frankfort to Skokie (Illinois) | 305.92 mi (492.33 km) |
| Frankfort to Sleepy Hollow (New York) | 617.70 mi (994.09 km) |
| Frankfort to Slidell (Louisiana) | 613.86 mi (987.92 km) |
| Frankfort to Smithfield (North Carolina) | 404.83 mi (651.50 km) |
| Frankfort to Smithfield (Utah) | 1,442.65 mi (2,321.72 km) |
| Frankfort to Smithville (Missouri) | 529.19 mi (851.65 km) |
