| Solothurn to Silver Firs (Washington) | 5,204.74 mi (8,376.22 km) |
| Solothurn to Silver Spring (Maryland) | 4,090.52 mi (6,583.06 km) |
| Solothurn to Silver Springs Shores (Florida) | 4,753.06 mi (7,649.32 km) |
| Solothurn to Silverdale (Washington) | 5,229.54 mi (8,416.14 km) |
| Solothurn to Silverton (Oregon) | 5,387.81 mi (8,670.84 km) |
| Solothurn to Simi Valley (California) | 5,897.17 mi (9,490.58 km) |
| Solothurn to Simpsonville (South Carolina) | 4,501.81 mi (7,244.97 km) |
| Solothurn to Sioux City (Iowa) | 4,695.43 mi (7,556.57 km) |
| Solothurn to Sioux Falls (South Dakota) | 4,657.08 mi (7,494.84 km) |
| Solothurn to Skokie (Illinois) | 4,392.41 mi (7,068.89 km) |
| Solothurn to Sleepy Hollow (New York) | 3,870.62 mi (6,229.16 km) |
| Solothurn to Slidell (Louisiana) | 5,030.96 mi (8,096.55 km) |
| Solothurn to Smithfield (North Carolina) | 4,299.21 mi (6,918.91 km) |
| Solothurn to Smithfield (Utah) | 5,253.23 mi (8,454.26 km) |
| Solothurn to Smithville (Missouri) | 4,778.91 mi (7,690.91 km) |
