There are
2,218 mi
from Union City, TN to Sonoma, CA
That's the driving distance. It would take 1 day 15 hours to go from Union City, Tennessee to Sonoma, California.
The flight distance (direct flight from Union City, TN to Sonoma, CA) is 1,828.94 mi.
2,218 mi = 3,568.79 kms