| Middelkerke to Silver Firs (Washington) | 4,858.60 mi (7,819.17 km) |
| Middelkerke to Silver Spring (Maryland) | 3,786.94 mi (6,094.49 km) |
| Middelkerke to Silver Springs Shores (Florida) | 4,465.79 mi (7,186.99 km) |
| Middelkerke to Silverdale (Washington) | 4,883.49 mi (7,859.22 km) |
| Middelkerke to Silverton (Oregon) | 5,041.26 mi (8,113.12 km) |
| Middelkerke to Simi Valley (California) | 5,552.10 mi (8,935.24 km) |
| Middelkerke to Simpsonville (South Carolina) | 4,199.77 mi (6,758.87 km) |
| Middelkerke to Sioux City (Iowa) | 4,359.97 mi (7,016.69 km) |
| Middelkerke to Sioux Falls (South Dakota) | 4,320.11 mi (6,952.55 km) |
| Middelkerke to Skokie (Illinois) | 4,066.57 mi (6,544.52 km) |
| Middelkerke to Sleepy Hollow (New York) | 3,566.55 mi (5,739.80 km) |
| Middelkerke to Slidell (Louisiana) | 4,724.77 mi (7,603.78 km) |
| Middelkerke to Smithfield (North Carolina) | 4,002.62 mi (6,441.60 km) |
| Middelkerke to Smithfield (Utah) | 4,908.23 mi (7,899.03 km) |
| Middelkerke to Smithville (Missouri) | 4,449.38 mi (7,160.58 km) |
