There are
1,919 mi
from Vallejo, CA to Hannibal, MO
That's the driving distance. It would take 1 day 9 hours to go from Vallejo, California to Hannibal, Missouri.
The flight distance (direct flight from Vallejo, CA to Hannibal, MO) is 1,656.79 mi.
1,919 mi = 1.61 kms