There are
2,099 mi
from Oakley, CA to Hoffman Estates, IL
That's the driving distance. It would take 1 day 12 hours to go from Oakley, California to Hoffman Estates, Illinois.
The flight distance (direct flight from Oakley, CA to Hoffman Estates, IL) is 1,787.37 mi.
2,099 mi = 3,378.65 kms