| Sedro-Woolley to Sestu | 5,678.58 mi (9,138.79 km) |
| Sedro-Woolley to Settimo Torinese | 5,297.56 mi (8,525.60 km) |
| Sedro-Woolley to Seveso | 5,301.71 mi (8,532.27 km) |
| Sedro-Woolley to Sezze | 5,647.57 mi (9,088.89 km) |
| Sedro-Woolley to Siano | 5,729.52 mi (9,220.77 km) |
| Sedro-Woolley to Siena | 5,494.89 mi (8,843.16 km) |
| Sedro-Woolley to Signa | 5,461.20 mi (8,788.95 km) |
| Sedro-Woolley to Silea | 5,376.88 mi (8,653.25 km) |
| Sedro-Woolley to Silvi Paese | 5,608.58 mi (9,026.13 km) |
| Sedro-Woolley to Sinalunga | 5,510.85 mi (8,868.86 km) |
| Sedro-Woolley to Siniscola | 5,618.34 mi (9,041.84 km) |
| Sedro-Woolley to Sinnai | 5,681.38 mi (9,143.29 km) |
| Sedro-Woolley to Siracusa | 5,974.02 mi (9,614.26 km) |
| Sedro-Woolley to Solaro | 5,302.07 mi (8,532.86 km) |
| Sedro-Woolley to Soliera | 5,399.50 mi (8,689.66 km) |
