| South River to Siloam Springs (Arkansas) | 1,128.71 mi (1,816.48 km) |
| South River to Silver Firs (Washington) | 2,383.13 mi (3,835.28 km) |
| South River to Silver Spring (Maryland) | 172.19 mi (277.12 km) |
| South River to Silver Springs Shores (Florida) | 894.07 mi (1,438.86 km) |
| South River to Silverdale (Washington) | 2,409.18 mi (3,877.20 km) |
| South River to Silverton (Oregon) | 2,440.07 mi (3,926.91 km) |
| South River to Simi Valley (California) | 2,447.88 mi (3,939.49 km) |
| South River to Simpsonville (South Carolina) | 584.43 mi (940.55 km) |
| South River to Sioux City (Iowa) | 1,145.08 mi (1,842.82 km) |
| South River to Sioux Falls (South Dakota) | 1,163.91 mi (1,873.13 km) |
| South River to Skokie (Illinois) | 702.09 mi (1,129.91 km) |
| South River to Sleepy Hollow (New York) | 52.02 mi (83.72 km) |
| South River to Slidell (Louisiana) | 1,113.23 mi (1,791.58 km) |
| South River to Smithfield (North Carolina) | 403.51 mi (649.39 km) |
| South River to Smithfield (Utah) | 1,935.47 mi (3,114.84 km) |
