There are
1,561 mi
from Sioux Falls, SD to Tigard, OR
That's the driving distance. It would take 1 day 3 hours to go from Sioux Falls, South Dakota to Tigard, Oregon.
The flight distance (direct flight from Sioux Falls, SD to Tigard, OR) is 1,285.86 mi.
1,561 mi = 1.61 kms