There are
2,427 mi
from Youngstown, OH to Lemon Grove, CA
That's the driving distance. It would take 1 day 19 hours to go from Youngstown, Ohio to Lemon Grove, California.
The flight distance (direct flight from Youngstown, OH to Lemon Grove, CA) is 2,074.28 mi.
2,427 mi = 3.22 kms