| Koekelberg to Silver Firs (Washington) | 4,914.51 mi (7,909.15 km) |
| Koekelberg to Silver Spring (Maryland) | 3,856.23 mi (6,206.01 km) |
| Koekelberg to Silver Springs Shores (Florida) | 4,535.11 mi (7,298.55 km) |
| Koekelberg to Silverdale (Washington) | 4,939.25 mi (7,948.96 km) |
| Koekelberg to Silverton (Oregon) | 5,098.03 mi (8,204.48 km) |
| Koekelberg to Simi Valley (California) | 5,614.18 mi (9,035.15 km) |
| Koekelberg to Simpsonville (South Carolina) | 4,269.08 mi (6,870.42 km) |
| Koekelberg to Sioux City (Iowa) | 4,426.18 mi (7,123.25 km) |
| Koekelberg to Sioux Falls (South Dakota) | 4,385.95 mi (7,058.51 km) |
| Koekelberg to Skokie (Illinois) | 4,134.46 mi (6,653.77 km) |
| Koekelberg to Sleepy Hollow (New York) | 3,635.84 mi (5,851.31 km) |
| Koekelberg to Slidell (Louisiana) | 4,793.97 mi (7,715.15 km) |
| Koekelberg to Smithfield (North Carolina) | 4,071.99 mi (6,553.23 km) |
| Koekelberg to Smithfield (Utah) | 4,970.40 mi (7,999.09 km) |
| Koekelberg to Smithville (Missouri) | 4,516.72 mi (7,268.96 km) |
