Live Chat I-285 GA Community Nearby Traffic Ralph McGill Post Office (Amenity postoffice) 2024-05-25 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Ralph McGill Post Office (Amenity Postoffice) Alpharetta, GA 0.00 Roswell, GA 0.00 Smyrna, GA 4.45 Interstate highway exits close to Ralph McGill Post Office (Amenity Postoffice) Exit 16, i285ga 1.24 Exit 18, i285ga 2.29 Exit 15, i285ga 2.57 Interstate highways close to Ralph McGill Post Office (Amenity Postoffice) i285ga map 1.24 i75 map 3.91 i20 map 9.05 State roads close to Ralph McGill Post Office (Amenity Postoffice) GA 280 map 1.99 GA 8 map 6.15 GA 70 map 7.43