Miles between Union City, CA and Grass Valley, CA

There are
158 mi
from Union City, CA to Grass Valley, CA

That's the driving distance. It would take 3 hours 11 mins to go from Union City, California to Grass Valley, California.

The flight distance (direct flight from Union City, CA to Grass Valley, CA) is 124.43 mi.

158 mi = 253.63 kms