There are
2,084 mi
from Evanston, IL to Vacaville, CA
That's the driving distance. It would take 1 day 11 hours to go from Evanston, Illinois to Vacaville, California.
The flight distance (direct flight from Evanston, IL to Vacaville, CA) is 1,815.52 mi.
2,084 mi = 3.22 kms