There are
1,857 mi
from Vallejo, CA to Mankato, MN
That's the driving distance. It would take 1 day 8 hours to go from Vallejo, California to Mankato, Minnesota.
The flight distance (direct flight from Vallejo, CA to Mankato, MN) is 1,520.49 mi.
1,857 mi = 1.61 kms