Live Chat I-55 Community Nearby Traffic Glen Carbon Post Office (Amenity postoffice) 2024-05-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Glen Carbon Post Office (Amenity Postoffice) Maryville, IL 3.59 Edwardsville, IL 3.67 Troy, IL 8.16 Interstate highway exits close to Glen Carbon Post Office (Amenity Postoffice) Exit 12, i270mo 1.56 Exit 9, i270mo 2.88 Exit 15b a, i55 5.47 Interstate highways close to Glen Carbon Post Office (Amenity Postoffice) i270mo map 1.56 i55 map 5.47 i70 map 5.49 State roads close to Glen Carbon Post Office (Amenity Postoffice) IL 159 map 1.57 IL 162 map 1.95 IL 157 map 2.47