Air distance from London, UK to Islamabad, Pakistan is 3761.3 Miles (6053.2 Kilometers / 3266.3 Nautical Miles).
Flight duration time from London to Islamabad is 7 hrs, 48 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.