| Wittlich to Silver Firs (Washington) | 5,027.73 mi (8,091.35 km) |
| Wittlich to Silver Spring (Maryland) | 3,983.51 mi (6,410.84 km) |
| Wittlich to Silver Springs Shores (Florida) | 4,660.86 mi (7,500.93 km) |
| Wittlich to Silverdale (Washington) | 5,052.25 mi (8,130.81 km) |
| Wittlich to Silverton (Oregon) | 5,212.44 mi (8,388.61 km) |
| Wittlich to Simi Valley (California) | 5,735.74 mi (9,230.78 km) |
| Wittlich to Simpsonville (South Carolina) | 4,396.28 mi (7,075.12 km) |
| Wittlich to Sioux City (Iowa) | 4,552.54 mi (7,326.60 km) |
| Wittlich to Sioux Falls (South Dakota) | 4,511.94 mi (7,261.27 km) |
| Wittlich to Skokie (Illinois) | 4,262.11 mi (6,859.21 km) |
| Wittlich to Sleepy Hollow (New York) | 3,763.13 mi (6,056.17 km) |
| Wittlich to Slidell (Louisiana) | 4,921.49 mi (7,920.38 km) |
| Wittlich to Smithfield (North Carolina) | 4,198.69 mi (6,757.14 km) |
| Wittlich to Smithfield (Utah) | 5,092.15 mi (8,195.03 km) |
| Wittlich to Smithville (Missouri) | 4,644.03 mi (7,473.84 km) |
