The Residence Inn St. Louis-O'Fallon located in the Suburbs of Saint Louis, in the tech corridor off highway 64/40 at highway K. Located in the heart of O’Fallon, the epicenter of shopping, dining and nightlife. Walking distance to Citi, Allianz/Firemans Fund, and Progress West Hospital, next to General Motors, MasterCard International, Verizon, APC/Schneider Electric, Missouri Research Park, NISC, RGA, National Equestrian Center and world famous wineries. Our all suite hotel features all the