Distance From Naiu Airport to Ulaanbaatar Chinggis Khaan International Airport, NIU - UBN Distance

The distance from Naiu Airport (NIU) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 7815 miles or 12576 kilometers or 6786 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 Naiu Atoll ( French Polynesia ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Naiu Atoll and Ulaanbaatar (Sergelen) takes around 17 hours 57 minutes.

Estimated flight time from Naiu Airport, Naiu Atoll, French Polynesia to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 17 hours 57 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 • NIU - UBN

Kilometers		12576 km
Statute Miles		7815 miles
Nautical Miles		6786 nm
Avg. Time of Flight		17 hours 57 minutes

Naiu Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - NIU to UBN Flight Path

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

Click to see flight route on Google Map between Naiu Atoll, French Polynesia and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Naiu Atoll, French Polynesia and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • NIU - UBN

Time difference between Naiu Atoll (French Polynesia) and Ulaanbaatar (Sergelen) (Mongolia) is 18 Hours.
Ulaanbaatar (Sergelen) time is 18 Hours ahead of Naiu Atoll.

Location	Local Time
Naiu Atoll (French Polynesia)	2026-09-12, 02:25:17 -10
Ulaanbaatar (Sergelen) (Mongolia)	2026-09-12, 20:25:17 +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

Naiu Airport (NIU / NTKN) Naiu Atoll, French Polynesia

Destination

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