| Loughton to Silver Firs (Washington) | 4,762.30 mi (7,664.19 km) |
| Loughton to Silver Spring (Maryland) | 3,664.72 mi (5,897.80 km) |
| Loughton to Silver Springs Shores (Florida) | 4,343.21 mi (6,989.73 km) |
| Loughton to Silverdale (Washington) | 4,787.46 mi (7,704.67 km) |
| Loughton to Silverton (Oregon) | 4,943.29 mi (7,955.46 km) |
| Loughton to Simi Valley (California) | 5,444.11 mi (8,761.45 km) |
| Loughton to Simpsonville (South Carolina) | 4,077.49 mi (6,562.08 km) |
| Loughton to Sioux City (Iowa) | 4,244.21 mi (6,830.39 km) |
| Loughton to Sioux Falls (South Dakota) | 4,205.09 mi (6,767.44 km) |
| Loughton to Skokie (Illinois) | 3,947.47 mi (6,352.83 km) |
| Loughton to Sleepy Hollow (New York) | 3,444.34 mi (5,543.13 km) |
| Loughton to Slidell (Louisiana) | 4,602.79 mi (7,407.47 km) |
| Loughton to Smithfield (North Carolina) | 3,880.12 mi (6,244.46 km) |
| Loughton to Smithfield (Utah) | 4,800.16 mi (7,725.11 km) |
| Loughton to Smithville (Missouri) | 4,331.35 mi (6,970.63 km) |
