Hopatcong Hills is located in Trenton city, United States at the 40.944, -74.6707 coordinates. Distance from Hopatcong Hills to other cities. are listed below, click on the city name to find distance between. Distance from Hopatcong Hills to Newark 48 km, to Jersey City 55 km, to Paterson 42 km. The green marker indicates the location of Hopatcong Hills.