There are
2,157 mi
from Pendleton, OR to Piqua, OH
That's the driving distance. It would take 1 day 13 hours to go from Pendleton, Oregon to Piqua, Ohio.
The flight distance (direct flight from Pendleton, OR to Piqua, OH) is 1,774.93 mi.
2,157 mi = 3,470.83 kms