There are
2,381 mi
from Napa, CA to Sandusky, OH
That's the driving distance. It would take 1 day 17 hours to go from Napa, California to Sandusky, Ohio.
The flight distance (direct flight from Napa, CA to Sandusky, OH) is 2,092.14 mi.
2,381 mi = 3.22 kms