There are
2,141 mi
from Pittsburg, CA to Zion, IL
That's the driving distance. It would take 1 day 13 hours to go from Pittsburg, California to Zion, Illinois.
The flight distance (direct flight from Pittsburg, CA to Zion, IL) is 1,809.35 mi.
2,141 mi = 3,445.37 kms