There are
2,092 mi
from Wheaton, IL to Walnut Creek, CA
That's the driving distance. It would take 1 day 11 hours to go from Wheaton, Illinois to Walnut Creek, California.
The flight distance (direct flight from Wheaton, IL to Walnut Creek, CA) is 1,808.99 mi.
2,092 mi = 3,366.42 kms