There are
1,125 mi
from Corpus Christi, TX to Yankton, SD
That's the driving distance. It would take 20 hours 8 mins to go from Corpus Christi, Texas to Yankton, South Dakota.
The flight distance (direct flight from Corpus Christi, TX to Yankton, SD) is 1,041.27 mi.
1,125 mi = 1.61 kms