There are
1,889 mi
from Pendleton, OR to Seguin, TX
That's the driving distance. It would take 1 day 10 hours to go from Pendleton, Oregon to Seguin, Texas.
The flight distance (direct flight from Pendleton, OR to Seguin, TX) is 1,583.50 mi.
1,889 mi = 3,039.66 kms