There are
2,401 mi
from Union City, CA to Campbellsville, KY
That's the driving distance. It would take 1 day 17 hours to go from Union City, California to Campbellsville, Kentucky.
The flight distance (direct flight from Union City, CA to Campbellsville, KY) is 1,999.84 mi.
2,401 mi = 3.22 kms