Miles between San Marcos, CA and Union City, TN

There are
1,919 mi
from San Marcos, CA to Union City, TN

That's the driving distance. It would take 1 day 9 hours to go from San Marcos, California to Union City, Tennessee.

The flight distance (direct flight from San Marcos, CA to Union City, TN) is 1,605.37 mi.

1,919 mi = 1.61 kms