| Seymour to Silver Firs (Washington) | 1,901.20 mi (3,059.68 km) |
| Seymour to Silver Spring (Maryland) | 476.29 mi (766.52 km) |
| Seymour to Silver Springs Shores (Florida) | 714.66 mi (1,150.13 km) |
| Seymour to Silverdale (Washington) | 1,924.69 mi (3,097.48 km) |
| Seymour to Silverton (Oregon) | 1,922.96 mi (3,094.70 km) |
| Seymour to Simi Valley (California) | 1,840.67 mi (2,962.27 km) |
| Seymour to Simpsonville (South Carolina) | 353.98 mi (569.68 km) |
| Seymour to Sioux City (Iowa) | 601.41 mi (967.87 km) |
| Seymour to Sioux Falls (South Dakota) | 645.63 mi (1,039.05 km) |
| Seymour to Skokie (Illinois) | 234.45 mi (377.30 km) |
| Seymour to Sleepy Hollow (New York) | 652.42 mi (1,049.97 km) |
| Seymour to Slidell (Louisiana) | 637.70 mi (1,026.28 km) |
| Seymour to Smithfield (North Carolina) | 477.70 mi (768.79 km) |
| Seymour to Smithfield (Utah) | 1,373.98 mi (2,211.21 km) |
| Seymour to Smithville (Missouri) | 465.98 mi (749.92 km) |
