There are
470 mi
from Pasadena, TX to Okmulgee, OK
That's the driving distance. It would take 8 hours 25 mins to go from Pasadena, Texas to Okmulgee, Oklahoma.
The flight distance (direct flight from Pasadena, TX to Okmulgee, OK) is 412.20 mi.
470 mi = 755.68 kms