Air distance from Washington DC, USA to Roseau, Dominica is 1877.5 Miles (3021.5 Kilometers / 1630.4 Nautical Miles).
3 hrs, 53 mins is the flight duration between Washington DC and Roseau. 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.