Air distance from Chicago, USA to Aqtobe, Kazakhstan is 5748.8 Miles (9251.9 Kilometers / 4992.3 Nautical Miles).
11 hrs, 56 mins is the flight duration between Chicago and Aqtobe. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.