List of Sonic Stores in Chillicothe, MO Outlet Note Regular Brands Sonic Missouri Chillicothe Rating 4.5 based on 91 votes Official Website https://www.sonicdrivein.com/ Products Snacks Ice Cream Drinks Chicken Hot Dogs Burgers NameAddressPhone Name/Address/Phone Sonic outlet - Chillicothe 1002 Washington St (660) 646-6255 People Also Viewed