There are
1,518 mi
from Sioux Falls, SD to Lacey, WA
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to Lacey, Washington.
The flight distance (direct flight from Sioux Falls, SD to Lacey, WA) is 1,286.07 mi.
1,518 mi = 1.61 kms