| Sedro-Woolley to Superior (Colorado) | 1,028.67 mi (1,655.48 km) |
| Sedro-Woolley to Superior (Wisconsin) | 1,401.03 mi (2,254.75 km) |
| Sedro-Woolley to Surprise (Arizona) | 1,142.01 mi (1,837.88 km) |
| Sedro-Woolley to Susanville (California) | 564.64 mi (908.70 km) |
| Sedro-Woolley to Sussex (Wisconsin) | 1,664.46 mi (2,678.69 km) |
| Sedro-Woolley to Suwanee (Georgia) | 2,188.86 mi (3,522.63 km) |
| Sedro-Woolley to Swansea (Illinois) | 1,739.38 mi (2,799.26 km) |
| Sedro-Woolley to Sweetwater (Florida) | 2,738.70 mi (4,407.52 km) |
| Sedro-Woolley to Sweetwater (Texas) | 1,584.06 mi (2,549.30 km) |
| Sedro-Woolley to Sycamore (Illinois) | 1,677.86 mi (2,700.26 km) |
| Sedro-Woolley to Sylacauga (Alabama) | 2,130.31 mi (3,428.40 km) |
| Sedro-Woolley to Sylvania (Ohio) | 1,914.44 mi (3,080.99 km) |
| Sedro-Woolley to Syosset (New York) | 2,410.12 mi (3,878.71 km) |
| Sedro-Woolley to Syracuse (New York) | 2,218.30 mi (3,570.02 km) |
| Sedro-Woolley to Syracuse (Utah) | 713.97 mi (1,149.02 km) |
