| Lummen to Silver Firs (Washington) | 4,929.26 mi (7,932.88 km) |
| Lummen to Silver Spring (Maryland) | 3,888.22 mi (6,257.48 km) |
| Lummen to Silver Springs Shores (Florida) | 4,568.81 mi (7,352.79 km) |
| Lummen to Silverdale (Washington) | 4,953.87 mi (7,972.48 km) |
| Lummen to Silverton (Oregon) | 5,113.51 mi (8,229.40 km) |
| Lummen to Simi Valley (California) | 5,634.70 mi (9,068.18 km) |
| Lummen to Simpsonville (South Carolina) | 4,301.18 mi (6,922.09 km) |
| Lummen to Sioux City (Iowa) | 4,451.70 mi (7,164.32 km) |
| Lummen to Sioux Falls (South Dakota) | 4,410.96 mi (7,098.75 km) |
| Lummen to Skokie (Illinois) | 4,162.63 mi (6,699.10 km) |
| Lummen to Sleepy Hollow (New York) | 3,667.80 mi (5,902.76 km) |
| Lummen to Slidell (Louisiana) | 4,825.44 mi (7,765.80 km) |
| Lummen to Smithfield (North Carolina) | 4,104.79 mi (6,606.02 km) |
| Lummen to Smithfield (Utah) | 4,991.08 mi (8,032.37 km) |
| Lummen to Smithville (Missouri) | 4,543.94 mi (7,312.76 km) |
