Miles between Rancho Cucamonga, CA and Union City, CA

There are
400 mi
from Rancho Cucamonga, CA to Union City, CA

That's the driving distance. It would take 7 hours 28 mins to go from Rancho Cucamonga, California to Union City, California.

The flight distance (direct flight from Rancho Cucamonga, CA to Union City, CA) is 346.60 mi.

400 mi = 644.11 kms