Live Chat I-77 Community Nearby Traffic Marietta Post Office (Amenity postoffice) 2024-06-06 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Marietta Post Office (Amenity Postoffice) Coal Run, OH 0.48 Watertown, OH 0.48 Williamstown, WV 4.33 Interstate highway exits close to Marietta Post Office (Amenity Postoffice) Exit 1, i77 2.50 Exit 185, i77 4.19 Exit 6, i77 6.66 Interstate highways close to Marietta Post Office (Amenity Postoffice) i77 map 2.50 i70 map 64.44 i79 map 92.55 State roads close to Marietta Post Office (Amenity Postoffice) OH 26 map 1.21 OH 7 map 1.27 OH 60 map 1.44