Miles between Union City, CA and Nampa, ID

There are
634 mi
from Union City, CA to Nampa, ID

That's the driving distance. It would take 11 hours 45 mins to go from Union City, California to Nampa, Idaho.

The flight distance (direct flight from Union City, CA to Nampa, ID) is 501.49 mi.

634 mi = 1,020.95 kms