Air distance from Chicago, USA to Lausanne, Switzerland is 4392.8 Miles (7069.5 Kilometers / 3814.7 Nautical Miles).
9 hrs, 7 mins is the flight duration between Chicago and Lausanne. 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.