There are
762 mi
from Warwick, RI to Ann Arbor, MI
That's the driving distance. It would take 14 hours 55 mins to go from Warwick, Rhode Island to Ann Arbor, Michigan.
The flight distance (direct flight from Warwick, RI to Ann Arbor, MI) is 633.75 mi.
762 mi = 1,226.11 kms