Air distance from Omsk, Russia to Cairns, Australia is 6478.1 Miles (10425.5 Kilometers / 5625.6 Nautical Miles).
Flight duration time from Omsk to Cairns is 13 hrs, 27 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.