Denny's 4 Interstate Drive 5:00 AM - 11:00 PM 5:00 AM - 11:00 PM 5:00 AM - 11:00 PM 5:00 AM - 11:00 PM 5:00 AM - 11:00 PM 5:00 AM - 11:00 PM 5:00 AM - 11:00 PM4 Interstate Drive Vandalia, IL 62471 US