Live Chat I-79 Community Nearby Traffic Mars Post Office (Amenity postoffice) 2024-06-03 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Mars Post Office (Amenity Postoffice) Callery, PA 4.90 Warrendale, PA 6.30 Cranberry, PA 6.59 Interstate highway exits close to Mars Post Office (Amenity Postoffice) Exit 78, i79 5.34 Exit 77, i79 5.68 Exit 28, i76 6.24 Interstate highways close to Mars Post Office (Amenity Postoffice) i79 map 5.34 i76 map 6.24 ioh map 47.48 State roads close to Mars Post Office (Amenity Postoffice) PA BELT RED map 3.06 PA 228 map 4.14 US 19 PA map 5.83