Air distance from Minsk, Belarus to Helena, USA is 5132.8 Miles (8260.5 Kilometers / 4457.4 Nautical Miles).
Flight duration time from Minsk to Helena is 10 hrs, 39 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.