There are
1,561 mi
from Tigard, OR to Sioux Falls, SD
That's the driving distance. It would take 1 day 3 hours to go from Tigard, Oregon to Sioux Falls, South Dakota.
The flight distance (direct flight from Tigard, OR to Sioux Falls, SD) is 1,285.86 mi.
1,561 mi = 2,511.66 kms