There are
1,440 mi
from Newport Beach, CA to Okmulgee, OK
That's the driving distance. It would take 1 day to go from Newport Beach, California to Okmulgee, Oklahoma.
The flight distance (direct flight from Newport Beach, CA to Okmulgee, OK) is 1,254.12 mi.
1,440 mi = 2,317.77 kms