There are
2,870 mi
from Vacaville, CA to Peekskill, NY
That's the driving distance. It would take 2 days 2 hours to go from Vacaville, California to Peekskill, New York.
The flight distance (direct flight from Vacaville, CA to Peekskill, NY) is 2,526.12 mi.
2,870 mi = 3.22 kms