There are
2,552 mi
from Vacaville, CA to Jamestown, NY
That's the driving distance. It would take 1 day 20 hours to go from Vacaville, California to Jamestown, New York.
The flight distance (direct flight from Vacaville, CA to Jamestown, NY) is 2,246.47 mi.
2,552 mi = 3.22 kms