There are
1,521 mi
from Sioux Falls, SD to Olympia, WA
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to Olympia, Washington.
The flight distance (direct flight from Sioux Falls, SD to Olympia, WA) is 1,289.74 mi.
1,521 mi = 1.61 kms