Distance From Wudalianchi Dedu Airport to Mattala Rajapaksa International Airport, DTU - HRI Distance

The distance from Wudalianchi Dedu Airport (DTU) to Mattala Rajapaksa International Airport (HRI) is 3922 miles or 6312 kilometers or 3406 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 Heihe ( China ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Heihe and Mattala takes around 9 hours 1 minutes.

Estimated flight time from Wudalianchi Dedu Airport, Heihe, China to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 9 hours 1 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 • DTU - HRI

Kilometers		6312 km
Statute Miles		3922 miles
Nautical Miles		3406 nm
Avg. Time of Flight		9 hours 1 minutes

Wudalianchi Dedu Airport to Mattala Rajapaksa International Airport Flight Route Map - DTU to HRI Flight Path

Location of Wudalianchi Dedu Airport & Mattala Rajapaksa International Airport is given below.
Click the map to view Heihe to Mattala nonstop flight path and travel direction.

Click to see flight route on Google Map between Heihe, China and Mattala, Sri Lanka. .

Nonstop flight route between Heihe, China and Mattala, Sri Lanka.

Time Difference Between the Airports • DTU - HRI

Time difference between Heihe (China) and Mattala (Sri Lanka) is 2 Hours 30 Minutes.
Mattala time is 2 Hours 30 Minutes behind Heihe.

Location	Local Time
Heihe (China)	2025-12-15, 07:21:43 CST
Mattala (Sri Lanka)	2025-12-15, 04:51:43 +0530

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

Wudalianchi Dedu Airport (DTU / ZYDU) Heihe, China

Destination

Mattala Rajapaksa International Airport (HRI / VCRI) Mattala, Sri Lanka