| Centereach to Silver Firs (Washington) | 2,428.91 mi (3,908.95 km) |
| Centereach to Silver Spring (Maryland) | 245.22 mi (394.64 km) |
| Centereach to Silver Springs Shores (Florida) | 955.50 mi (1,537.74 km) |
| Centereach to Silverdale (Washington) | 2,455.22 mi (3,951.30 km) |
| Centereach to Silverton (Oregon) | 2,490.53 mi (4,008.13 km) |
| Centereach to Simi Valley (California) | 2,513.29 mi (4,044.76 km) |
| Centereach to Simpsonville (South Carolina) | 655.72 mi (1,055.28 km) |
| Centereach to Sioux City (Iowa) | 1,204.17 mi (1,937.93 km) |
| Centereach to Sioux Falls (South Dakota) | 1,220.14 mi (1,963.63 km) |
| Centereach to Skokie (Illinois) | 762.40 mi (1,226.97 km) |
| Centereach to Sleepy Hollow (New York) | 44.06 mi (70.91 km) |
| Centereach to Slidell (Louisiana) | 1,186.00 mi (1,908.69 km) |
| Centereach to Smithfield (North Carolina) | 467.45 mi (752.30 km) |
| Centereach to Smithfield (Utah) | 1,993.46 mi (3,208.17 km) |
| Centereach to Smithville (Missouri) | 1,137.10 mi (1,829.99 km) |
