Air distance from Chicago, USA to Reykjavik, Iceland is 2979.3 Miles (4794.7 Kilometers / 2587.2 Nautical Miles).
6 hrs, 11 mins is the flight duration between Chicago and Reykjavik. 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.