There are
1,708 mi
from Irvine, CA to Brookings, SD
That's the driving distance. It would take 1 day 5 hours to go from Irvine, California to Brookings, South Dakota.
The flight distance (direct flight from Irvine, CA to Brookings, SD) is 1,339.34 mi.
1,708 mi = 2,748.74 kms