Air distance from Hiroshima, Japan to Kazan, Russia is 4058.8 Miles (6532 Kilometers / 3524.7 Nautical Miles).
8 hrs, 25 mins is the flight duration between Hiroshima and Kazan. 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.