There are
1,412 mi
from Danbury, CT to Yankton, SD
That's the driving distance. It would take 1 day 1 hour to go from Danbury, Connecticut to Yankton, South Dakota.
The flight distance (direct flight from Danbury, CT to Yankton, SD) is 1,226.91 mi.
1,412 mi = 1.61 kms