Air distance from Washington DC, USA to Moroni, Comoros is 8329.1 Miles (13404.4 Kilometers / 7233 Nautical Miles).
17 hrs, 17 mins is the flight duration between Washington DC and Moroni. 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.