Air distance from Kazan, Russia to London, UK is 2001.7 Miles (3221.5 Kilometers / 1738.3 Nautical Miles).
4 hrs, 9 mins is the flight duration between Kazan and London. 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.