Distance From Seto Heliport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Seto Heliport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 1660 miles or 2672 kilometers or 1442 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 Okayama ( Japan ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Okayama and Ulaanbaatar (Sergelen) takes around 3 hours 49 minutes.

Estimated flight time from Seto Heliport, Okayama, Japan to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 3 hours 49 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 • - UBN

Kilometers		2672 km
Statute Miles		1660 miles
Nautical Miles		1442 nm
Avg. Time of Flight		3 hours 49 minutes

Seto Heliport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

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

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

Time Difference Between the Airports • - UBN

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

Location	Local Time
Okayama (Japan)	2026-11-01, 20:51:03 JST
Ulaanbaatar (Sergelen) (Mongolia)	2026-11-01, 19:51:03 +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

Seto Heliport ( / ) Okayama, Japan

Destination

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