There are
1,756 mi
from Vacaville, CA to Ankeny, IA
That's the driving distance. It would take 1 day 5 hours to go from Vacaville, California to Ankeny, Iowa.
The flight distance (direct flight from Vacaville, CA to Ankeny, IA) is 1,512.52 mi.
1,756 mi = 1.61 kms