Comfortable Accommodations Residence Inn Saint Louis O'Fallon in O'Fallon offers comfortable rooms with air-conditioning, kitchenettes, and private bathrooms. Guests enjoy amenities such as free WiFi, a sun terrace, and free use of bicycles. Leisure Facilities The hotel features an indoor swimming pool, fitness room, hot tub, and outdoor seating area. Additional facilities include a lounge, minimarket, and barbecue areas. Dining Options A variety of breakfast options are available, including continental, American, and buffet. The property also offers a 24-hour front desk, shuttle service, and free on-site private parking. Local Attractions Located 17 mi from Hollywood Casino St. Louis and 21 mi from Six Flags Over Mid-America, the hotel is near Weldon Spring Site Interpretive Center (3.1 mi) and Fort Zumwalt Park (6.2 mi). St. Louis Lambert International Airport is 23 mi away.