St. Charles, Illinois is located just 35 miles west of Downtown Chicago, 22 miles from O'Hare Airport & 32 miles from Midway Airport. St. Charles offers residents, tourists & businesses unparalleled options with thousands of guest rooms & a variety of indoor & outdoor convention spaces including a nationally-acclaimed conference center & a vintage riverfront hotel. With a vibrant downtown filled with shopping & dining, St. Charles has something for everyone.