There are
1,708 mi
from Vallejo, CA to Maryville, MO
That's the driving distance. It would take 1 day 5 hours to go from Vallejo, California to Maryville, Missouri.
The flight distance (direct flight from Vallejo, CA to Maryville, MO) is 1,468 mi.
1,708 mi = 1.61 kms