| Sedro-Woolley to Solofra | 5,731.33 mi (9,223.68 km) |
| Sedro-Woolley to Somma Lombardo | 5,288.51 mi (8,511.04 km) |
| Sedro-Woolley to Somma Vesuviana | 5,719.06 mi (9,203.95 km) |
| Sedro-Woolley to Sommacampagna | 5,357.96 mi (8,622.80 km) |
| Sedro-Woolley to Sona | 5,355.56 mi (8,618.94 km) |
| Sedro-Woolley to Sondrio | 5,288.28 mi (8,510.67 km) |
| Sedro-Woolley to Sora | 5,647.66 mi (9,089.03 km) |
| Sedro-Woolley to Sorbolo | 5,381.44 mi (8,660.58 km) |
| Sedro-Woolley to Soresina | 5,340.65 mi (8,594.94 km) |
| Sedro-Woolley to Sorisole | 5,308.85 mi (8,543.77 km) |
| Sedro-Woolley to Sorrento | 5,732.57 mi (9,225.68 km) |
| Sedro-Woolley to Sorso | 5,575.45 mi (8,972.83 km) |
| Sedro-Woolley to Sortino | 5,961.71 mi (9,594.45 km) |
| Sedro-Woolley to Soverato Marina | 5,904.55 mi (9,502.46 km) |
| Sedro-Woolley to Sovicille | 5,494.59 mi (8,842.68 km) |
