Distance From Mawella Lagoon Seaplane Base to Mehrabad International Airport, DIW - THR Distance

The distance from Mawella Lagoon Seaplane Base (DIW) to Mehrabad International Airport (THR) is 2774 miles or 4464 kilometers or 2409 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 Dickwella ( Sri Lanka ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Dickwella and Tehran takes around 6 hours 22 minutes.

Estimated flight time from Mawella Lagoon Seaplane Base, Dickwella, Sri Lanka to Mehrabad International Airport, Tehran, Iran is 6 hours 22 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 • DIW - THR

Kilometers		4464 km
Statute Miles		2774 miles
Nautical Miles		2409 nm
Avg. Time of Flight		6 hours 22 minutes

Mawella Lagoon Seaplane Base to Mehrabad International Airport Flight Route Map - DIW to THR Flight Path

Location of Mawella Lagoon Seaplane Base & Mehrabad International Airport is given below.
Click the map to view Dickwella to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Dickwella, Sri Lanka and Tehran, Iran. .

Nonstop flight route between Dickwella, Sri Lanka and Tehran, Iran.

Time Difference Between the Airports • DIW - THR

Time difference between Dickwella (Sri Lanka) and Tehran (Iran) is 2 Hours.
Tehran time is 2 Hours behind Dickwella.

Location	Local Time
Dickwella (Sri Lanka)	2026-08-05, 21:09:16 +0530
Tehran (Iran)	2026-08-05, 19:09:16 +0330

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

Mawella Lagoon Seaplane Base (DIW / ) Dickwella, Sri Lanka

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran