There are
2,005 mi
from Pittsburg, CA to Macomb, IL
That's the driving distance. It would take 1 day 10 hours to go from Pittsburg, California to Macomb, Illinois.
The flight distance (direct flight from Pittsburg, CA to Macomb, IL) is 1,669.92 mi.
2,005 mi = 3,227.10 kms