There are
1,434 mi
from Vacaville, CA to Kearney, NE
That's the driving distance. It would take 1 day to go from Vacaville, California to Kearney, Nebraska.
The flight distance (direct flight from Vacaville, CA to Kearney, NE) is 1,227.87 mi.
1,434 mi = 1.61 kms