| Sedro-Woolley to Smyrna (Delaware) | 2,367.06 mi (3,809.41 km) |
| Sedro-Woolley to Smyrna (Georgia) | 2,177.04 mi (3,503.61 km) |
| Sedro-Woolley to Smyrna (Tennessee) | 1,997.74 mi (3,215.05 km) |
| Sedro-Woolley to Snellville (Georgia) | 2,200.20 mi (3,540.87 km) |
| Sedro-Woolley to Snoqualmie (Washington) | 70.21 mi (112.99 km) |
| Sedro-Woolley to Snyder (Texas) | 1,552.52 mi (2,498.54 km) |
| Sedro-Woolley to Socastee (South Carolina) | 2,431.98 mi (3,913.89 km) |
| Sedro-Woolley to Socorro (Texas) | 1,433.21 mi (2,306.53 km) |
| Sedro-Woolley to Soddy-Daisy (Tennessee) | 2,087.97 mi (3,360.27 km) |
| Sedro-Woolley to Solana Beach (California) | 1,102.66 mi (1,774.56 km) |
| Sedro-Woolley to Soledad (California) | 835.03 mi (1,343.86 km) |
| Sedro-Woolley to Solon (Ohio) | 2,028.69 mi (3,264.87 km) |
| Sedro-Woolley to Somers Point (New Jersey) | 2,412.03 mi (3,881.79 km) |
| Sedro-Woolley to Somerset (Kentucky) | 2,038.84 mi (3,281.20 km) |
| Sedro-Woolley to Somerset (New Jersey) | 2,375.08 mi (3,822.33 km) |
