There are
593 mi
from Dayton, OH to Hopatcong, NJ
That's the driving distance. It would take 11 hours 7 mins to go from Dayton, Ohio to Hopatcong, New Jersey.
The flight distance (direct flight from Dayton, OH to Hopatcong, NJ) is 508.21 mi.
593 mi = 953.60 kms