There are
2,056 mi
from Vacaville, CA to Wheaton, IL
That's the driving distance. It would take 1 day 11 hours to go from Vacaville, California to Wheaton, Illinois.
The flight distance (direct flight from Vacaville, CA to Wheaton, IL) is 1,794.89 mi.
2,056 mi = 3.22 kms