Air distance from Chicago, USA to Muscat, Oman is 7445.3 Miles (11982.1 Kilometers / 6465.5 Nautical Miles).
15 hrs, 27 mins is the flight duration between Chicago and Muscat. 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.