There are
2,030 mi
from Gallatin, TN to Irvine, CA
That's the driving distance. It would take 1 day 11 hours to go from Gallatin, Tennessee to Irvine, California.
The flight distance (direct flight from Gallatin, TN to Irvine, CA) is 1,775.49 mi.
2,030 mi = 3,266.27 kms