Distance From Okazaki Service Area Heliport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Okazaki Service Area Heliport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 1786 miles or 2874 kilometers or 1551 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 Okazaki ( Japan ) to Ulaanbaatar (Sergelen) ( Mongolia )?

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

Estimated flight time from Okazaki Service Area Heliport, Okazaki, 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 • - UBN

Kilometers		2874 km
Statute Miles		1786 miles
Nautical Miles		1551 nm
Avg. Time of Flight		4 hours 6 minutes

Okazaki Service Area Heliport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

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

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

Time Difference Between the Airports • - UBN

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

Location	Local Time
Okazaki (Japan)	2026-06-18, 17:44:52 JST
Ulaanbaatar (Sergelen) (Mongolia)	2026-06-18, 16:44:52 +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

Okazaki Service Area Heliport ( / ) Okazaki, Japan

Destination

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