The distance from Mattala Rajapaksa International Airport (HRI) to Washington Dulles International Airport (IAD) is 9024 miles or 14523 kilometers or 7837 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
14523 kilometers is the direct flight distance between Mattala Rajapaksa International Airport (Sri Lanka) and Washington Dulles International Airport (United States).
How long does it take to travel from Mattala ( Sri Lanka ) to Dulles ( United States )?
A one-way nonstop (direct) flight between Mattala and Dulles takes around 20 hours 44 minutes.
Estimated
flight time from Mattala Rajapaksa International Airport, Mattala, Sri Lanka to Washington Dulles International Airport, Dulles, United States is
20 hours 44 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • HRI - IAD
| Kilometers | | 14523 km |
| Statute Miles | | 9024 miles |
| Nautical Miles | | 7837 nm |
| Avg. Time of Flight | | 20 hours 44 minutes |
Mattala Rajapaksa International Airport to Washington Dulles International Airport Flight Route Map - HRI to IAD Flight Path
Location of Mattala Rajapaksa International Airport & Washington Dulles International Airport is given below.
Click the map to view Mattala to Dulles nonstop flight path and travel direction.
Click to see flight route on Google Map between Mattala, Sri Lanka and Dulles, United States. .
Nonstop flight route between Mattala, Sri Lanka and Dulles, United States.
Time Difference Between the Airports • HRI - IAD
Time difference between
Mattala (Sri Lanka) and
Dulles (United States) is 10 Hours 30 Minutes.
Dulles time is 10 Hours 30 Minutes behind Mattala.
| Location | Local Time |
| Mattala (Sri Lanka) | 2025-12-15, 12:42:43 +0530 |
| Dulles (United States) | 2025-12-15, 02:12:43 EST |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.