| Welver to Silver Firs (Washington) | 4,958.50 mi (7,979.93 km) |
| Welver to Silver Spring (Maryland) | 3,980.98 mi (6,406.77 km) |
| Welver to Silver Springs Shores (Florida) | 4,668.31 mi (7,512.92 km) |
| Welver to Silverdale (Washington) | 4,982.63 mi (8,018.78 km) |
| Welver to Silverton (Oregon) | 5,145.18 mi (8,280.36 km) |
| Welver to Simi Valley (California) | 5,683.80 mi (9,147.19 km) |
| Welver to Simpsonville (South Carolina) | 4,394.27 mi (7,071.89 km) |
| Welver to Sioux City (Iowa) | 4,519.57 mi (7,273.55 km) |
| Welver to Sioux Falls (South Dakota) | 4,476.98 mi (7,205.01 km) |
| Welver to Skokie (Illinois) | 4,240.53 mi (6,824.48 km) |
| Welver to Sleepy Hollow (New York) | 3,760.59 mi (6,052.08 km) |
| Welver to Slidell (Louisiana) | 4,915.81 mi (7,911.24 km) |
| Welver to Smithfield (North Carolina) | 4,200.72 mi (6,760.41 km) |
| Welver to Smithfield (Utah) | 5,041.10 mi (8,112.87 km) |
| Welver to Smithville (Missouri) | 4,618.06 mi (7,432.04 km) |
