There are
2,159 mi
from Union City, TN to Oakley, CA
That's the driving distance. It would take 1 day 14 hours to go from Union City, Tennessee to Oakley, California.
The flight distance (direct flight from Union City, TN to Oakley, CA) is 1,790.99 mi.
2,159 mi = 3,474.57 kms