There are
1,817 mi
from Pasco, WA to Okmulgee, OK
That's the driving distance. It would take 1 day 6 hours to go from Pasco, Washington to Okmulgee, Oklahoma.
The flight distance (direct flight from Pasco, WA to Okmulgee, OK) is 1,405.32 mi.
1,817 mi = 2,923.96 kms