Live Chat I-75 Community Nearby Traffic St Helen Post Office (Amenity postoffice) 2024-06-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to St Helen Post Office (Amenity Postoffice) West Branch, MI 19.75 Prudenville, MI 20.06 Markey, MI 21.16 Interstate highway exits close to St Helen Post Office (Amenity Postoffice) Exit 222, i75 5.90 Exit 227, i75 7.41 Exit 215, i75 15.53 Interstate highways close to St Helen Post Office (Amenity Postoffice) i75 map 5.90 i475mi map 150.78 i69 map 160.68 State roads close to St Helen Post Office (Amenity Postoffice) MI 55 map 5.68 MI 18 map 13.94 MI 30 map 17.99