There are
1,855 mi
from Pendleton, OR to Edwardsville, IL
That's the driving distance. It would take 1 day 7 hours to go from Pendleton, Oregon to Edwardsville, Illinois.
The flight distance (direct flight from Pendleton, OR to Edwardsville, IL) is 1,539.56 mi.
1,855 mi = 2,984.88 kms