Air distance from Esfahan, Iran to Helena, USA is 6898.9 Miles (11102.7 Kilometers / 5991 Nautical Miles).
Flight duration time from Esfahan to Helena is 14 hrs, 19 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.