Distance From Tanjung Api Airport to Ulaanbaatar Chinggis Khaan International Airport, OJU - UBN Distance

The distance from Tanjung Api Airport (OJU) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 3469 miles or 5582 kilometers or 3013 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.

---

How long does it take to travel from Tojo Una-Una ( Indonesia ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Tojo Una-Una and Ulaanbaatar (Sergelen) takes around 7 hours 58 minutes.

Estimated flight time from Tanjung Api Airport, Tojo Una-Una, Indonesia to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 7 hours 58 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 • OJU - UBN

Kilometers		5582 km
Statute Miles		3469 miles
Nautical Miles		3013 nm
Avg. Time of Flight		7 hours 58 minutes

Tanjung Api Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - OJU to UBN Flight Path

Location of Tanjung Api Airport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Tojo Una-Una to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Tojo Una-Una, Indonesia and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Tojo Una-Una, Indonesia and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • OJU - UBN

Time difference between Tojo Una-Una (Indonesia) and Ulaanbaatar (Sergelen) (Mongolia) is 0 Hours.

Location	Local Time
Tojo Una-Una (Indonesia)	2026-07-30, 23:08:10 WITA
Ulaanbaatar (Sergelen) (Mongolia)	2026-07-30, 23:08:10 +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

Tanjung Api Airport (OJU / WAFU) Tojo Una-Una, Indonesia

Destination

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