Miles between Union City, CA and Ammon, ID

There are
847 mi
from Union City, CA to Ammon, ID

That's the driving distance. It would take 15 hours 2 mins to go from Union City, California to Ammon, Idaho.

The flight distance (direct flight from Union City, CA to Ammon, ID) is 666.33 mi.

847 mi = 1,362.34 kms