| Sedro-Woolley to Sesena | 5,256.92 mi (8,460.20 km) |
| Sedro-Woolley to Sestao | 5,101.22 mi (8,209.61 km) |
| Sedro-Woolley to Sevilla | 5,339.82 mi (8,593.61 km) |
| Sedro-Woolley to Sevilla La Nueva | 5,232.97 mi (8,421.66 km) |
| Sedro-Woolley to Silla | 5,401.01 mi (8,692.09 km) |
| Sedro-Woolley to Silleda | 4,970.69 mi (7,999.55 km) |
| Sedro-Woolley to Sitges | 5,360.98 mi (8,627.66 km) |
| Sedro-Woolley to Socuellamos | 5,330.51 mi (8,578.63 km) |
| Sedro-Woolley to Soller | 5,471.37 mi (8,805.33 km) |
| Sedro-Woolley to Solsona | 5,309.24 mi (8,544.40 km) |
| Sedro-Woolley to Son Servera | 5,499.10 mi (8,849.95 km) |
| Sedro-Woolley to Sonseca | 5,271.22 mi (8,483.21 km) |
| Sedro-Woolley to Sopelana | 5,098.12 mi (8,204.63 km) |
| Sedro-Woolley to Soria | 5,203.12 mi (8,373.61 km) |
| Sedro-Woolley to Suances | 5,062.70 mi (8,147.63 km) |
