Rome (RMG) → Washington (IAD)
Richard B Russell Airport → Washington Dulles International Airport
Departure times are local to airport RMG.
Rome (RMG) — Washington (IAD): how long is the flight?
RMG — IAD: scheduled duration in the saved data is 2 hr, the median of available flights.
RMG — IAD: what is the distance?
The straight-line distance between airports RMG and IAD is about 856 km, not the actual flight path.