Live Chat I-80 Community Nearby Traffic Cedar Knolls Post Office (Amenity postoffice) 2024-05-20 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Cedar Knolls Post Office (Amenity Postoffice) Whippany, NJ 2.08 Morris Plains, NJ 3.52 Morristown, NJ 4.34 Interstate highway exits close to Cedar Knolls Post Office (Amenity Postoffice) Exit 37, i287nj 1.21 Exit 39b a, i287nj 1.68 Exit 36b a, i287nj 3.17 Interstate highways close to Cedar Knolls Post Office (Amenity Postoffice) i287nj map 1.21 i80 map 5.59 i78 map 15.46 State roads close to Cedar Knolls Post Office (Amenity Postoffice) NJ 24 1 map 1.51 NJ CR 511 map 1.62 NJ 10 map 1.68