There are
1,578 mi
from Sioux Falls, SD to Cornelius, OR
That's the driving distance. It would take 1 day 3 hours to go from Sioux Falls, South Dakota to Cornelius, Oregon.
The flight distance (direct flight from Sioux Falls, SD to Cornelius, OR) is 1,299.46 mi.
1,578 mi = 2,539.54 kms