There are
1,572 mi
from Warwick, RI to Okmulgee, OK
That's the driving distance. It would take 1 day 5 hours to go from Warwick, Rhode Island to Okmulgee, Oklahoma.
The flight distance (direct flight from Warwick, RI to Okmulgee, OK) is 1,383.63 mi.
1,572 mi = 1.61 kms