Miles between Union City, CA and Napa, CA

There are
63 mi
from Union City, CA to Napa, CA

That's the driving distance. It would take 1 hour 18 mins to go from Union City, California to Napa, California.

The flight distance (direct flight from Union City, CA to Napa, CA) is 51.14 mi.

63 mi = 101.79 kms