List of Olive Garden Stores in Decatur, IL Outlet Note Regular Brands Olive Garden Illinois Decatur Rating 4.8 based on 100 votes Official Website http://www.olivegarden.com/ Products Beverages Specials Lunch Dinner Cocktails Beer Wines Dessert NameAddressPhone Name/Address/Phone Olive Garden outlet - Decatur 3795 Us Route 51 North (217) 877-7470 People Also Viewed