There are
1,538 mi
from Sioux Falls, SD to Troutdale, OR
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to Troutdale, Oregon.
The flight distance (direct flight from Sioux Falls, SD to Troutdale, OR) is 1,266.86 mi.
1,538 mi = 2,475.33 kms