There are
2,330 mi
from Gallatin, TN to Pacifica, CA
That's the driving distance. It would take 1 day 16 hours to go from Gallatin, Tennessee to Pacifica, California.
The flight distance (direct flight from Gallatin, TN to Pacifica, CA) is 1,978.24 mi.
2,330 mi = 3,750.45 kms