There are
2,402 mi
from Vallejo, CA to Amherst, OH
That's the driving distance. It would take 1 day 17 hours to go from Vallejo, California to Amherst, Ohio.
The flight distance (direct flight from Vallejo, CA to Amherst, OH) is 2,119.86 mi.
2,402 mi = 3.22 kms