Distance From Kerama Airport to Ulaanbaatar Chinggis Khaan International Airport, KJP - UBN Distance

The distance from Kerama Airport (KJP) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 1854 miles or 2984 kilometers or 1610 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 Zamami ( Japan ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Zamami and Ulaanbaatar (Sergelen) takes around 4 hours 15 minutes.

Estimated flight time from Kerama Airport, Zamami, Japan to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 4 hours 15 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 • KJP - UBN

Kilometers		2984 km
Statute Miles		1854 miles
Nautical Miles		1610 nm
Avg. Time of Flight		4 hours 15 minutes

Kerama Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - KJP to UBN Flight Path

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

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

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

Time Difference Between the Airports • KJP - UBN

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

Location	Local Time
Zamami (Japan)	2025-12-14, 20:32:41 JST
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-14, 19:32:41 +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

Kerama Airport (KJP / ROKR) Zamami, Japan

Destination

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