There are
1,689 mi
from Union City, CA to Grapevine, TX
That's the driving distance. It would take 1 day 5 hours to go from Union City, California to Grapevine, Texas.
The flight distance (direct flight from Union City, CA to Grapevine, TX) is 1,440.25 mi.
1,689 mi = 2,718.77 kms