Comfortable Accommodations Residence Inn Saint Louis O'Fallon in O'Fallon offers comfortable rooms with air-conditioning, kitchenettes, private bathrooms, and free WiFi. Guests enjoy amenities such as a sun terrace, indoor swimming pool, and free use of bicycles. Convenient Facilities The hotel features a fitness room, hot tub, lounge, and 24-hour front desk. Additional services include a shuttle, minimarket, grocery delivery, business area, outdoor seating, family rooms, and barbecue facilities. Dining Options A continental, American, and buffet breakfast is provided by the property. Guests can also enjoy free on-site private parking, express check-in and check-out, and a variety of dining areas. Nearby Attractions Located 18 mi from Hollywood Casino St. Louis and 23 mi from St. Louis Lambert International Airport, the hotel is close to Six Flags Over Mid-America and St. Louis Zoo.