There are
2,145 mi
from Wheaton, IL to Cupertino, CA
That's the driving distance. It would take 1 day 13 hours to go from Wheaton, Illinois to Cupertino, California.
The flight distance (direct flight from Wheaton, IL to Cupertino, CA) is 1,821.10 mi.
2,145 mi = 3,451.29 kms