There are
2,863 mi
from Vacaville, CA to Schenectady, NY
That's the driving distance. It would take 2 days 2 hours to go from Vacaville, California to Schenectady, New York.
The flight distance (direct flight from Vacaville, CA to Schenectady, NY) is 2,505.69 mi.
2,863 mi = 3.22 kms