Spacious OFallon Vacation Home 30 Mi to St Louis offers accommodations in O'Fallon, 30 miles from Six Flags St. Louis and 30 miles from Six Flags St. Louis. The air-conditioned accommodation is 19 miles from Hollywood Casino St. Louis. Thomas Jefferson Library is 26 miles away and University of Missouri–St. Louis is 26 miles from the vacation home. With free Wifi, this 4-bedroom vacation home features a cable TV, a washing machine, and a fully equipped kitchen with a dishwasher and oven. Towels and bed linen are available in the vacation home. The accommodation has a fireplace. The nearest airport is St. Louis Lambert International Airport, 24 miles from the vacation home.