| Uniondale to Siloam Springs (Arkansas) | 1,172.19 mi (1,886.46 km) |
| Uniondale to Silver Firs (Washington) | 2,410.26 mi (3,878.94 km) |
| Uniondale to Silver Spring (Maryland) | 216.89 mi (349.06 km) |
| Uniondale to Silver Springs Shores (Florida) | 931.91 mi (1,499.77 km) |
| Uniondale to Silverdale (Washington) | 2,436.48 mi (3,921.13 km) |
| Uniondale to Silverton (Oregon) | 2,470.14 mi (3,975.30 km) |
| Uniondale to Simi Valley (California) | 2,487.40 mi (4,003.08 km) |
| Uniondale to Simpsonville (South Carolina) | 628.17 mi (1,010.95 km) |
| Uniondale to Sioux City (Iowa) | 1,180.47 mi (1,899.78 km) |
| Uniondale to Sioux Falls (South Dakota) | 1,197.48 mi (1,927.15 km) |
| Uniondale to Skokie (Illinois) | 738.15 mi (1,187.94 km) |
| Uniondale to Sleepy Hollow (New York) | 29.75 mi (47.87 km) |
| Uniondale to Slidell (Louisiana) | 1,157.86 mi (1,863.40 km) |
| Uniondale to Smithfield (North Carolina) | 442.68 mi (712.42 km) |
| Uniondale to Smithfield (Utah) | 1,970.24 mi (3,170.80 km) |
