There are
2,085 mi
from Schaumburg, IL to Oakley, CA
That's the driving distance. It would take 1 day 12 hours to go from Schaumburg, Illinois to Oakley, California.
The flight distance (direct flight from Schaumburg, IL to Oakley, CA) is 1,789.46 mi.
2,085 mi = 3,355.20 kms