Air distance from Novosibirsk, Russia to Denver, USA is 5895.1 Miles (9487.3 Kilometers / 5119.3 Nautical Miles).
Flight duration time from Novosibirsk to Denver is 12 hrs, 14 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.