There are
2,411 mi
from Dayton, OH to Palo Alto, CA
That's the driving distance. It would take 1 day 18 hours to go from Dayton, Ohio to Palo Alto, California.
The flight distance (direct flight from Dayton, OH to Palo Alto, CA) is 2,040.22 mi.
2,411 mi = 3.22 kms