| Unterwellenborn to Silver Firs (Washington) | 5,093.92 mi (8,197.87 km) |
| Unterwellenborn to Silver Spring (Maryland) | 4,145.82 mi (6,672.05 km) |
| Unterwellenborn to Silver Springs Shores (Florida) | 4,832.92 mi (7,777.84 km) |
| Unterwellenborn to Silverdale (Washington) | 5,117.68 mi (8,236.12 km) |
| Unterwellenborn to Silverton (Oregon) | 5,282.29 mi (8,501.02 km) |
| Unterwellenborn to Simi Valley (California) | 5,832.40 mi (9,386.35 km) |
| Unterwellenborn to Simpsonville (South Carolina) | 4,559.11 mi (7,337.18 km) |
| Unterwellenborn to Sioux City (Iowa) | 4,678.23 mi (7,528.89 km) |
| Unterwellenborn to Sioux Falls (South Dakota) | 4,634.87 mi (7,459.11 km) |
| Unterwellenborn to Skokie (Illinois) | 4,402.78 mi (7,085.59 km) |
| Unterwellenborn to Sleepy Hollow (New York) | 3,925.43 mi (6,317.36 km) |
| Unterwellenborn to Slidell (Louisiana) | 5,080.46 mi (8,176.22 km) |
| Unterwellenborn to Smithfield (North Carolina) | 4,365.58 mi (7,025.72 km) |
| Unterwellenborn to Smithfield (Utah) | 5,190.54 mi (8,353.37 km) |
| Unterwellenborn to Smithville (Missouri) | 4,779.05 mi (7,691.14 km) |
