There are
2,163 mi
from Irvine, CA to Oak Ridge, TN
That's the driving distance. It would take 1 day 13 hours to go from Irvine, California to Oak Ridge, Tennessee.
The flight distance (direct flight from Irvine, CA to Oak Ridge, TN) is 1,898.45 mi.
2,163 mi = 3,480.44 kms