| Runcorn to Silver Firs (Washington) | 4,597.30 mi (7,398.63 km) |
| Runcorn to Silver Spring (Maryland) | 3,517.59 mi (5,661.02 km) |
| Runcorn to Silver Springs Shores (Florida) | 4,203.36 mi (6,764.65 km) |
| Runcorn to Silverdale (Washington) | 4,622.52 mi (7,439.23 km) |
| Runcorn to Silverton (Oregon) | 4,777.88 mi (7,689.25 km) |
| Runcorn to Simi Valley (California) | 5,278.24 mi (8,494.51 km) |
| Runcorn to Simpsonville (South Carolina) | 3,930.77 mi (6,325.97 km) |
| Runcorn to Sioux City (Iowa) | 4,081.99 mi (6,569.33 km) |
| Runcorn to Sioux Falls (South Dakota) | 4,042.24 mi (6,505.36 km) |
| Runcorn to Skokie (Illinois) | 3,789.58 mi (6,098.74 km) |
| Runcorn to Sleepy Hollow (New York) | 3,297.17 mi (5,306.28 km) |
| Runcorn to Slidell (Louisiana) | 4,453.76 mi (7,167.63 km) |
| Runcorn to Smithfield (North Carolina) | 3,736.22 mi (6,012.86 km) |
| Runcorn to Smithfield (Utah) | 4,634.29 mi (7,458.17 km) |
| Runcorn to Smithville (Missouri) | 4,171.71 mi (6,713.72 km) |
