Cliffside Park is located in Trenton city, United States at the 40.8215, -73.9876 coordinates. Distance from Cliffside Park to other cities. are listed below, click on the city name to find distance between. Distance from Cliffside Park to Newark 18 km, to Jersey City 13 km, to Paterson 19 km. The green marker indicates the location of Cliffside Park.