There are
970 mi
from Mcminnville, TN to Yankton, SD
That's the driving distance. It would take 18 hours 2 mins to go from Mcminnville, Tennessee to Yankton, South Dakota.
The flight distance (direct flight from Mcminnville, TN to Yankton, SD) is 793.98 mi.
970 mi = 1,561.62 kms