There are
965 mi
from Warwick, RI to New Lenox, IL
That's the driving distance. It would take 18 hours 26 mins to go from Warwick, Rhode Island to New Lenox, Illinois.
The flight distance (direct flight from Warwick, RI to New Lenox, IL) is 853.77 mi.
965 mi = 1,552.37 kms