| Somerville to Siloam Springs (Arkansas) | 1,319.22 mi (2,123.08 km) |
| Somerville to Silver Firs (Washington) | 2,470.96 mi (3,976.63 km) |
| Somerville to Silver Spring (Maryland) | 388.36 mi (625.00 km) |
| Somerville to Silver Springs Shores (Florida) | 1,100.68 mi (1,771.37 km) |
| Somerville to Silverdale (Washington) | 2,497.86 mi (4,019.91 km) |
| Somerville to Silverton (Oregon) | 2,543.83 mi (4,093.89 km) |
| Somerville to Simi Valley (California) | 2,607.61 mi (4,196.54 km) |
| Somerville to Simpsonville (South Carolina) | 800.94 mi (1,288.99 km) |
| Somerville to Sioux City (Iowa) | 1,284.60 mi (2,067.37 km) |
| Somerville to Sioux Falls (South Dakota) | 1,293.14 mi (2,081.10 km) |
| Somerville to Skokie (Illinois) | 850.45 mi (1,368.67 km) |
| Somerville to Sleepy Hollow (New York) | 168.62 mi (271.37 km) |
| Somerville to Slidell (Louisiana) | 1,329.01 mi (2,138.83 km) |
| Somerville to Smithfield (North Carolina) | 613.89 mi (987.96 km) |
| Somerville to Smithfield (Utah) | 2,067.44 mi (3,327.22 km) |
