Live Chat I-90 Community Nearby Traffic Columbus Post Office (Amenity postoffice) 2024-05-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Columbus Post Office (Amenity Postoffice) Boyd, MT 19.22 Absarokee, MT 19.44 Park City, MT 24.02 Interstate highway exits close to Columbus Post Office (Amenity Postoffice) Exit 408, i90 5.19 Exit 400, i90 14.49 Exit 396, i90 17.09 Interstate highways close to Columbus Post Office (Amenity Postoffice) i90 map 5.19 i94 map 72.28 i15 map 230.32 State roads close to Columbus Post Office (Amenity Postoffice) MT 78 map 1.55 US 212 WY MT map 22.41 MT 72 map 45.36