There are
1,991 mi
from Vallejo, CA to Wentzville, MO
That's the driving distance. It would take 1 day 10 hours to go from Vallejo, California to Wentzville, Missouri.
The flight distance (direct flight from Vallejo, CA to Wentzville, MO) is 1,691.42 mi.
1,991 mi = 1.61 kms