Air distance from Ndjamena, Chad to Sioux Falls, USA is 6681.7 Miles (10753.1 Kilometers / 5802.3 Nautical Miles).
13 hrs, 52 mins is the flight duration between Ndjamena and Sioux Falls. 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.