There are
1,990 mi
from Hoffman Estates, IL to Walnut, CA
That's the driving distance. It would take 1 day 10 hours to go from Hoffman Estates, Illinois to Walnut, California.
The flight distance (direct flight from Hoffman Estates, IL to Walnut, CA) is 1,700.96 mi.
1,990 mi = 3,202.94 kms