Air distance from Karachi, Pakistan to Anchorage, USA is 6177.2 Miles (9941.3 Kilometers / 5364.3 Nautical Miles).
12 hrs, 49 mins is the flight duration between Karachi and Anchorage. 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.