There are
2,027 mi
from Fullerton, CA to Gallatin, TN
That's the driving distance. It would take 1 day 11 hours to go from Fullerton, California to Gallatin, Tennessee.
The flight distance (direct flight from Fullerton, CA to Gallatin, TN) is 1,779.40 mi.
2,027 mi = 3.22 kms