There are
1,989 mi
from Oakley, CA to Macomb, IL
That's the driving distance. It would take 1 day 10 hours to go from Oakley, California to Macomb, Illinois.
The flight distance (direct flight from Oakley, CA to Macomb, IL) is 1,661.42 mi.
1,989 mi = 3,201.12 kms