| Swindon to Silver Firs (Washington) | 4,718.20 mi (7,593.21 km) |
| Swindon to Silver Spring (Maryland) | 3,590.99 mi (5,779.14 km) |
| Swindon to Silver Springs Shores (Florida) | 4,267.04 mi (6,867.14 km) |
| Swindon to Silverdale (Washington) | 4,743.58 mi (7,634.06 km) |
| Swindon to Silverton (Oregon) | 4,897.66 mi (7,882.02 km) |
| Swindon to Simi Valley (California) | 5,388.92 mi (8,672.63 km) |
| Swindon to Simpsonville (South Carolina) | 4,003.53 mi (6,443.07 km) |
| Swindon to Sioux City (Iowa) | 4,180.81 mi (6,728.36 km) |
| Swindon to Sioux Falls (South Dakota) | 4,142.59 mi (6,666.85 km) |
| Swindon to Skokie (Illinois) | 3,879.69 mi (6,243.75 km) |
| Swindon to Sleepy Hollow (New York) | 3,370.66 mi (5,424.56 km) |
| Swindon to Slidell (Louisiana) | 4,529.71 mi (7,289.86 km) |
| Swindon to Smithfield (North Carolina) | 3,805.20 mi (6,123.88 km) |
| Swindon to Smithfield (Utah) | 4,745.04 mi (7,636.40 km) |
| Swindon to Smithville (Missouri) | 4,265.04 mi (6,863.92 km) |
