Distance From Diyawanna Oya Seaplane Base to Noi Bai International Airport, DWO - HAN Distance

The distance from Diyawanna Oya Seaplane Base (DWO) to Noi Bai International Airport (HAN) is 1993 miles or 3207 kilometers or 1731 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 Hanoi (Soc Son) ( Vietnam )?

A one-way nonstop (direct) flight between Sri Jayawardenepura Kotte and Hanoi (Soc Son) takes around 4 hours 34 minutes.

Estimated flight time from Diyawanna Oya Seaplane Base, Sri Jayawardenepura Kotte, Sri Lanka to Noi Bai International Airport, Hanoi (Soc Son), Vietnam is 4 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 • DWO - HAN

Kilometers		3207 km
Statute Miles		1993 miles
Nautical Miles		1731 nm
Avg. Time of Flight		4 hours 34 minutes

Diyawanna Oya Seaplane Base to Noi Bai International Airport Flight Route Map - DWO to HAN Flight Path

Location of Diyawanna Oya Seaplane Base & Noi Bai International Airport is given below.
Click the map to view Sri Jayawardenepura Kotte to Hanoi (Soc Son) nonstop flight path and travel direction.

Click to see flight route on Google Map between Sri Jayawardenepura Kotte, Sri Lanka and Hanoi (Soc Son), Vietnam. .

Nonstop flight route between Sri Jayawardenepura Kotte, Sri Lanka and Hanoi (Soc Son), Vietnam.

Time Difference Between the Airports • DWO - HAN

Time difference between Sri Jayawardenepura Kotte (Sri Lanka) and Hanoi (Soc Son) (Vietnam) is 1 Hours 30 Minutes.
Hanoi (Soc Son) time is 1 Hours 30 Minutes ahead of Sri Jayawardenepura Kotte.

Location	Local Time
Sri Jayawardenepura Kotte (Sri Lanka)	2026-06-21, 19:43:53 +0530
Hanoi (Soc Son) (Vietnam)	2026-06-21, 21:13:53 +07

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

Noi Bai International Airport (HAN / VVNB) Hanoi (Soc Son), Vietnam