Distance From Wudalianchi Dedu Airport to Seychelles International Airport, DTU - SEZ Distance

The distance from Wudalianchi Dedu Airport (DTU) to Seychelles International Airport (SEZ) is 5588 miles or 8993 kilometers or 4853 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 Mahe Island ( Seychelles )?

A one-way nonstop (direct) flight between Heihe and Mahe Island takes around 12 hours 50 minutes.

Estimated flight time from Wudalianchi Dedu Airport, Heihe, China to Seychelles International Airport, Mahe Island, Seychelles is 12 hours 50 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 - SEZ

Kilometers		8993 km
Statute Miles		5588 miles
Nautical Miles		4853 nm
Avg. Time of Flight		12 hours 50 minutes

Wudalianchi Dedu Airport to Seychelles International Airport Flight Route Map - DTU to SEZ Flight Path

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

Click to see flight route on Google Map between Heihe, China and Mahe Island, Seychelles. .

Nonstop flight route between Heihe, China and Mahe Island, Seychelles.

Time Difference Between the Airports • DTU - SEZ

Time difference between Heihe (China) and Mahe Island (Seychelles) is 4 Hours.
Mahe Island time is 4 Hours behind Heihe.

Location	Local Time
Heihe (China)	2026-10-29, 15:06:46 CST
Mahe Island (Seychelles)	2026-10-29, 11:06:46 +04

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

Seychelles International Airport (SEZ / FSIA) Mahe Island, Seychelles