There are
1,801 mi
from Pendleton, OR to Stephenville, TX
That's the driving distance. It would take 1 day 7 hours to go from Pendleton, Oregon to Stephenville, Texas.
The flight distance (direct flight from Pendleton, OR to Stephenville, TX) is 1,437.24 mi.
1,801 mi = 2,898.36 kms