There are
357 mi
from Youngstown, OH to Hopatcong, NJ
That's the driving distance. It would take 6 hours 43 mins to go from Youngstown, Ohio to Hopatcong, New Jersey.
The flight distance (direct flight from Youngstown, OH to Hopatcong, NJ) is 312.44 mi.
357 mi = 574.10 kms