| Duchcov to Silver Firs (Washington) | 5,147.24 mi (8,283.68 km) |
| Duchcov to Silver Spring (Maryland) | 4,237.55 mi (6,819.69 km) |
| Duchcov to Silver Springs Shores (Florida) | 4,927.60 mi (7,930.21 km) |
| Duchcov to Silverdale (Washington) | 5,170.65 mi (8,321.36 km) |
| Duchcov to Silverton (Oregon) | 5,337.05 mi (8,589.15 km) |
| Duchcov to Simi Valley (California) | 5,898.27 mi (9,492.35 km) |
| Duchcov to Simpsonville (South Carolina) | 4,650.90 mi (7,484.91 km) |
| Duchcov to Sioux City (Iowa) | 4,756.53 mi (7,654.89 km) |
| Duchcov to Sioux Falls (South Dakota) | 4,712.12 mi (7,583.42 km) |
| Duchcov to Skokie (Illinois) | 4,486.87 mi (7,220.92 km) |
| Duchcov to Sleepy Hollow (New York) | 4,017.23 mi (6,465.11 km) |
| Duchcov to Slidell (Louisiana) | 5,170.82 mi (8,321.62 km) |
| Duchcov to Smithfield (North Carolina) | 4,458.73 mi (7,175.64 km) |
| Duchcov to Smithfield (Utah) | 5,257.55 mi (8,461.20 km) |
| Duchcov to Smithville (Missouri) | 4,860.86 mi (7,822.81 km) |
