| Spokane Valley to Sestu | 5,584.49 mi (8,987.37 km) |
| Spokane Valley to Settimo Torinese | 5,212.48 mi (8,388.68 km) |
| Spokane Valley to Seveso | 5,220.98 mi (8,402.36 km) |
| Spokane Valley to Sezze | 5,568.05 mi (8,960.92 km) |
| Spokane Valley to Siano | 5,652.89 mi (9,097.44 km) |
| Spokane Valley to Siena | 5,414.62 mi (8,713.98 km) |
| Spokane Valley to Signa | 5,381.31 mi (8,660.38 km) |
| Spokane Valley to Silea | 5,303.78 mi (8,535.61 km) |
| Spokane Valley to Silvi Paese | 5,533.81 mi (8,905.81 km) |
| Spokane Valley to Sinalunga | 5,431.38 mi (8,740.96 km) |
| Spokane Valley to Siniscola | 5,528.37 mi (8,897.06 km) |
| Spokane Valley to Sinnai | 5,587.58 mi (8,992.34 km) |
| Spokane Valley to Siracusa | 5,891.97 mi (9,482.21 km) |
| Spokane Valley to Solaro | 5,221.16 mi (8,402.64 km) |
| Spokane Valley to Soliera | 5,321.16 mi (8,563.58 km) |
