There are
2,374 mi
from Youngstown, OH to San Dimas, CA
That's the driving distance. It would take 1 day 17 hours to go from Youngstown, Ohio to San Dimas, California.
The flight distance (direct flight from Youngstown, OH to San Dimas, CA) is 2,073.91 mi.
2,374 mi = 3.22 kms