Live Chat I-29 Community Nearby Traffic Onawa Post Office (Amenity postoffice) 2024-06-04 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Onawa Post Office (Amenity Postoffice) Turin, IA 12.66 Whiting, IA 12.87 Decatur, NE 12.89 Interstate highway exits close to Onawa Post Office (Amenity Postoffice) Exit 112, i29 1.15 Exit 105, i29 10.77 Exit 120, i29 13.26 Interstate highways close to Onawa Post Office (Amenity Postoffice) i29 map 1.15 i680ne map 61.26 i80 map 73.80 State roads close to Onawa Post Office (Amenity Postoffice) IA 175 map 0.15 IA CR E54 map 7.34 US 75 NE map 11.15