There are
2,001 mi
from Vacaville, CA to Jennings, MO
That's the driving distance. It would take 1 day 10 hours to go from Vacaville, California to Jennings, Missouri.
The flight distance (direct flight from Vacaville, CA to Jennings, MO) is 1,706.23 mi.
2,001 mi = 3.22 kms