There are
1,850 mi
from Union City, CA to Pittsburg, KS
That's the driving distance. It would take 1 day 8 hours to go from Union City, California to Pittsburg, Kansas.
The flight distance (direct flight from Union City, CA to Pittsburg, KS) is 1,493.39 mi.
1,850 mi = 2,977.52 kms