There are
1,811 mi
from Pendleton, OR to Harker Heights, TX
That's the driving distance. It would take 1 day 9 hours to go from Pendleton, Oregon to Harker Heights, Texas.
The flight distance (direct flight from Pendleton, OR to Harker Heights, TX) is 1,516.43 mi.
1,811 mi = 2,914.02 kms