There are
1,464 mi
from Sioux Falls, SD to Issaquah, WA
That's the driving distance. It would take 1 day 1 hour to go from Sioux Falls, South Dakota to Issaquah, Washington.
The flight distance (direct flight from Sioux Falls, SD to Issaquah, WA) is 1,250.41 mi.
1,464 mi = 1.61 kms