There are
2,163 mi
from Union City, TN to Antioch, CA
That's the driving distance. It would take 1 day 14 hours to go from Union City, Tennessee to Antioch, California.
The flight distance (direct flight from Union City, TN to Antioch, CA) is 1,796.01 mi.
2,163 mi = 3,480.55 kms