Flight distance between DEN and IAD

About this route

The direct flight distance between DEN (Denver) (DEN) and IAD (Washington D.C.) (IAD) is approximately 2,332 kilometers (1,449 miles). An average commercial jet flying non-stop at a cruising speed of 900 km/h requires about 3h 5min of total flight time, including 30 minutes for taxiing, takeoff, and landing procedures. Travelers flying this route will cross time zones, experiencing an official time difference of N/A between the departure and arrival locations. Estimated carbon emissions for an economy class passenger on this route are roughly 268 kg of CO2. Use our interactive flight range map and route calculator to plan connections, compare airlines, and analyze flight paths between DEN and IAD.