Miles between Union City, CA and Kuna, ID

There are
641 mi
from Union City, CA to Kuna, ID

That's the driving distance. It would take 11 hours 56 mins to go from Union City, California to Kuna, Idaho.

The flight distance (direct flight from Union City, CA to Kuna, ID) is 503.15 mi.

641 mi = 1,031.88 kms