There are
1,535 mi
from Warwick, RI to Yankton, SD
That's the driving distance. It would take 1 day 4 hours to go from Warwick, Rhode Island to Yankton, South Dakota.
The flight distance (direct flight from Warwick, RI to Yankton, SD) is 1,325.22 mi.
1,535 mi = 1.61 kms