There are
1,766 mi
from Walnut Creek, CA to Brookings, SD
That's the driving distance. It would take 1 day 6 hours to go from Walnut Creek, California to Brookings, South Dakota.
The flight distance (direct flight from Walnut Creek, CA to Brookings, SD) is 1,381.26 mi.
1,766 mi = 2,842.69 kms