There are
1,509 mi
from Warwick, RI to Vermillion, SD
That's the driving distance. It would take 1 day 4 hours to go from Warwick, Rhode Island to Vermillion, South Dakota.
The flight distance (direct flight from Warwick, RI to Vermillion, SD) is 1,302.20 mi.
1,509 mi = 1.61 kms