There are
1,806 mi
from Vallejo, CA to Grain Valley, MO
That's the driving distance. It would take 1 day 6 hours to go from Vallejo, California to Grain Valley, Missouri.
The flight distance (direct flight from Vallejo, CA to Grain Valley, MO) is 1,511.25 mi.
1,806 mi = 1.61 kms