| Washougal to Spello | 5,722.63 mi (9,209.68 km) |
| Washougal to Spilamberto | 5,588.77 mi (8,994.26 km) |
| Washougal to Spilimbergo | 5,539.94 mi (8,915.66 km) |
| Washougal to Spinea | 5,560.30 mi (8,948.43 km) |
| Washougal to Spoleto | 5,736.88 mi (9,232.62 km) |
| Washougal to Spoltore | 5,791.38 mi (9,320.32 km) |
| Washougal to Spresiano | 5,545.19 mi (8,924.11 km) |
| Washougal to Squinzano | 6,009.28 mi (9,670.99 km) |
| Washougal to Statte | 5,980.91 mi (9,625.35 km) |
| Washougal to Stezzano | 5,488.19 mi (8,832.38 km) |
| Washougal to Strada | 5,652.75 mi (9,097.22 km) |
| Washougal to Stradella | 5,512.35 mi (8,871.27 km) |
| Washougal to Striano | 5,901.17 mi (9,497.02 km) |
| Washougal to Subiaco | 5,796.77 mi (9,329.00 km) |
| Washougal to Sulmona | 5,810.65 mi (9,351.34 km) |
