There are
1,791 mi
from Pendleton, OR to Tahlequah, OK
That's the driving distance. It would take 1 day 6 hours to go from Pendleton, Oregon to Tahlequah, Oklahoma.
The flight distance (direct flight from Pendleton, OR to Tahlequah, OK) is 1,408.91 mi.
1,791 mi = 2,882.70 kms