There are
1,056 mi
from Temecula, CA to Cornelius, OR
That's the driving distance. It would take 20 hours 2 mins to go from Temecula, California to Cornelius, Oregon.
The flight distance (direct flight from Temecula, CA to Cornelius, OR) is 888.05 mi.
1,056 mi = 1,699.72 kms