There are
2,098 mi
from Hoffman Estates, IL to Oakley, CA
That's the driving distance. It would take 1 day 12 hours to go from Hoffman Estates, Illinois to Oakley, California.
The flight distance (direct flight from Hoffman Estates, IL to Oakley, CA) is 1,787.37 mi.
2,098 mi = 3,375.88 kms