Distance From Aua Island Airport to Ulaanbaatar Chinggis Khaan International Airport, AUI - UBN Distance

The distance from Aua Island Airport (AUI) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4034 miles or 6491 kilometers or 3503 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 Aua Island ( Papua New Guinea ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Aua Island and Ulaanbaatar (Sergelen) takes around 9 hours 16 minutes.

Estimated flight time from Aua Island Airport, Aua Island, Papua New Guinea to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 16 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 • AUI - UBN

Kilometers		6491 km
Statute Miles		4034 miles
Nautical Miles		3503 nm
Avg. Time of Flight		9 hours 16 minutes

Aua Island Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - AUI to UBN Flight Path

Location of Aua Island Airport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Aua Island to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Aua Island, Papua New Guinea and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Aua Island, Papua New Guinea and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • AUI - UBN

Time difference between Aua Island (Papua New Guinea) and Ulaanbaatar (Sergelen) (Mongolia) is 2 Hours.
Ulaanbaatar (Sergelen) time is 2 Hours behind Aua Island.

Location	Local Time
Aua Island (Papua New Guinea)	2026-10-30, 13:19:10 +10
Ulaanbaatar (Sergelen) (Mongolia)	2026-10-30, 11:19:10 +08

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

Aua Island Airport (AUI / AYND) Aua Island, Papua New Guinea

Destination

Ulaanbaatar Chinggis Khaan International Airport (UBN / ZMCK) Ulaanbaatar (Sergelen), Mongolia