There are
2,545 mi
from Youngstown, OH to Menlo Park, CA
That's the driving distance. It would take 1 day 20 hours to go from Youngstown, Ohio to Menlo Park, California.
The flight distance (direct flight from Youngstown, OH to Menlo Park, CA) is 2,214.53 mi.
2,545 mi = 3.22 kms