Distance From Tokachi-Obihiro Airport to Ulaanbaatar Chinggis Khaan International Airport, OBO - UBN Distance

The distance from Tokachi-Obihiro Airport (OBO) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 1788 miles or 2877 kilometers or 1553 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 Obihiro ( Japan ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Obihiro and Ulaanbaatar (Sergelen) takes around 4 hours 6 minutes.

Estimated flight time from Tokachi-Obihiro Airport, Obihiro, Japan to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 4 hours 6 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 • OBO - UBN

Kilometers		2877 km
Statute Miles		1788 miles
Nautical Miles		1553 nm
Avg. Time of Flight		4 hours 6 minutes

Tokachi-Obihiro Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - OBO to UBN Flight Path

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

Click to see flight route on Google Map between Obihiro, Japan and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Obihiro, Japan and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • OBO - UBN

Time difference between Obihiro (Japan) and Ulaanbaatar (Sergelen) (Mongolia) is 1 Hours.
Ulaanbaatar (Sergelen) time is 1 Hours behind Obihiro.

Location	Local Time
Obihiro (Japan)	2025-12-15, 21:48:39 JST
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-15, 20:48:39 +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

Tokachi-Obihiro Airport (OBO / RJCB) Obihiro, Japan

Destination

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