Distance From Diyawanna Oya Seaplane Base to Suvarnabhumi Airport, DWO - BKK Distance

The distance from Diyawanna Oya Seaplane Base (DWO) to Suvarnabhumi Airport (BKK) is 1491 miles or 2400 kilometers or 1295 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 Bangkok ( Thailand )?

A one-way nonstop (direct) flight between Sri Jayawardenepura Kotte and Bangkok takes around 3 hours 25 minutes.

Estimated flight time from Diyawanna Oya Seaplane Base, Sri Jayawardenepura Kotte, Sri Lanka to Suvarnabhumi Airport, Bangkok, Thailand is 3 hours 25 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 - BKK

Kilometers		2400 km
Statute Miles		1491 miles
Nautical Miles		1295 nm
Avg. Time of Flight		3 hours 25 minutes

Diyawanna Oya Seaplane Base to Suvarnabhumi Airport Flight Route Map - DWO to BKK Flight Path

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

Click to see flight route on Google Map between Sri Jayawardenepura Kotte, Sri Lanka and Bangkok, Thailand. .

Nonstop flight route between Sri Jayawardenepura Kotte, Sri Lanka and Bangkok, Thailand.

Time Difference Between the Airports • DWO - BKK

Time difference between Sri Jayawardenepura Kotte (Sri Lanka) and Bangkok (Thailand) is 1 Hours 30 Minutes.
Bangkok time is 1 Hours 30 Minutes ahead of Sri Jayawardenepura Kotte.

Location	Local Time
Sri Jayawardenepura Kotte (Sri Lanka)	2026-09-21, 00:40:13 +0530
Bangkok (Thailand)	2026-09-21, 02:10:13 +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

Suvarnabhumi Airport (BKK / VTBS) Bangkok, Thailand