Distance From Diyawanna Oya Seaplane Base to Portland International Jetport, DWO - PWM Distance

The distance from Diyawanna Oya Seaplane Base (DWO) to Portland International Jetport (PWM) is 8479 miles or 13645 kilometers or 7363 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.

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How long does it take to travel from Sri Jayawardenepura Kotte ( Sri Lanka ) to Portland ( United States )?

A one-way nonstop (direct) flight between Sri Jayawardenepura Kotte and Portland takes around 19 hours 29 minutes.

Estimated flight time from Diyawanna Oya Seaplane Base, Sri Jayawardenepura Kotte, Sri Lanka to Portland International Jetport, Portland, United States is 19 hours 29 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 • DWO - PWM

Kilometers		13645 km
Statute Miles		8479 miles
Nautical Miles		7363 nm
Avg. Time of Flight		19 hours 29 minutes

Diyawanna Oya Seaplane Base to Portland International Jetport Flight Route Map - DWO to PWM Flight Path

Location of Diyawanna Oya Seaplane Base & Portland International Jetport is given below.
Click the map to view Sri Jayawardenepura Kotte to Portland nonstop flight path and travel direction.

Click to see flight route on Google Map between Sri Jayawardenepura Kotte, Sri Lanka and Portland, United States. .

Nonstop flight route between Sri Jayawardenepura Kotte, Sri Lanka and Portland, United States.

Time Difference Between the Airports • DWO - PWM

Time difference between Sri Jayawardenepura Kotte (Sri Lanka) and Portland (United States) is 9 Hours 30 Minutes.
Portland time is 9 Hours 30 Minutes behind Sri Jayawardenepura Kotte.

Location	Local Time
Sri Jayawardenepura Kotte (Sri Lanka)	2026-05-04, 10:13:56 +0530
Portland (United States)	2026-05-04, 00:43:56 EDT

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

Diyawanna Oya Seaplane Base (DWO / ) Sri Jayawardenepura Kotte, Sri Lanka

Destination

Portland International Jetport (PWM / KPWM) Portland, United States