Air distance from Chicago, USA to Cheyenne, USA is 885.2 Miles (1424.6 Kilometers / 768.7 Nautical Miles).
Flight duration time from Chicago to Cheyenne is 1 hrs, 58 mins. 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.