Miles between Union City, CA and Somerton, AZ

There are
645 mi
from Union City, CA to Somerton, AZ

That's the driving distance. It would take 12 hours 4 mins to go from Union City, California to Somerton, Arizona.

The flight distance (direct flight from Union City, CA to Somerton, AZ) is 539.24 mi.

645 mi = 1,037.22 kms