There are
1,058 mi
from Gresham, OR to Temecula, CA
That's the driving distance. It would take 20 hours 3 mins to go from Gresham, Oregon to Temecula, California.
The flight distance (direct flight from Gresham, OR to Temecula, CA) is 875.55 mi.
1,058 mi = 1.61 kms