Air distance from Seattle, USA to Khartoum, Sudan is 7828.9 Miles (12599.3 Kilometers / 6798.6 Nautical Miles).
16 hrs, 15 mins is the flight duration between Seattle and Khartoum. 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.