There are
1,585 mi
from Redmond, OR to Yankton, SD
That's the driving distance. It would take 1 day 3 hours to go from Redmond, Oregon to Yankton, South Dakota.
The flight distance (direct flight from Redmond, OR to Yankton, SD) is 1,189.98 mi.
1,585 mi = 2,550.96 kms