Distance From Kelani-Peliyagoda Seaplane Base to Washington Dulles International Airport, KEZ - IAD Distance

The distance from Kelani-Peliyagoda Seaplane Base (KEZ) to Washington Dulles International Airport (IAD) is 8950 miles or 14404 kilometers or 7773 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.

---

How long does it take to travel from Colombo ( Sri Lanka ) to Dulles ( United States )?

A one-way nonstop (direct) flight between Colombo and Dulles takes around 20 hours 34 minutes.

Estimated flight time from Kelani-Peliyagoda Seaplane Base, Colombo, Sri Lanka to Washington Dulles International Airport, Dulles, United States is 20 hours 34 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 • KEZ - IAD

Kilometers		14404 km
Statute Miles		8950 miles
Nautical Miles		7773 nm
Avg. Time of Flight		20 hours 34 minutes

Kelani-Peliyagoda Seaplane Base to Washington Dulles International Airport Flight Route Map - KEZ to IAD Flight Path

Location of Kelani-Peliyagoda Seaplane Base & Washington Dulles International Airport is given below.
Click the map to view Colombo to Dulles nonstop flight path and travel direction.

Click to see flight route on Google Map between Colombo, Sri Lanka and Dulles, United States. .

Nonstop flight route between Colombo, Sri Lanka and Dulles, United States.

Time Difference Between the Airports • KEZ - IAD

Time difference between Colombo (Sri Lanka) and Dulles (United States) is 10 Hours 30 Minutes.
Dulles time is 10 Hours 30 Minutes behind Colombo.

Location	Local Time
Colombo (Sri Lanka)	2026-11-05, 08:30:41 +0530
Dulles (United States)	2026-11-04, 22:00:41 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.

Origin

Kelani-Peliyagoda Seaplane Base (KEZ / ) Colombo, Sri Lanka

Destination

Washington Dulles International Airport (IAD / KIAD) Dulles, United States