Lake Hopatcong New Jersey Traffic 2024-09-09 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Lake Hopatcong New Jersey Hopatcong, NJ 4.97 mi Mount Arlington, NJ 5.27 mi Wharton, NJ 6.24 miInterstate highway exits close to Lake Hopatcong New Jersey Exit 34b a, i80 7.04 mi Exit 30, i80 7.58 mi Exit 35b a, i80 8.11 miInterstate highways close to Lake Hopatcong New Jersey i80 map 6.51 mi i287nj map 18.52 mi i78 map 35.46 miState roads close to Lake Hopatcong New Jersey NJ MORRIS 615 map 0.45 mi NJ 181 map 1.22 mi NJ 15 map 1.34 mi