Air distance from Novosibirsk, Russia to Sofia, Bulgaria is 2749.8 Miles (4425.4 Kilometers / 2387.9 Nautical Miles).
Flight duration time from Novosibirsk to Sofia is 5 hrs, 42 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.