Distance From Kona Community Hospital Helipad to Ulaanbaatar Chinggis Khaan International Airport

The distance from Kona Community Hospital Helipad () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5556 miles or 8941 kilometers or 4825 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 Kealakekua ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Kealakekua and Ulaanbaatar (Sergelen) takes around 12 hours 46 minutes.

Estimated flight time from Kona Community Hospital Helipad, Kealakekua, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 12 hours 46 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		8941 km
Statute Miles		5556 miles
Nautical Miles		4825 nm
Avg. Time of Flight		12 hours 46 minutes

Kona Community Hospital Helipad to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

Location of Kona Community Hospital Helipad & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Kealakekua to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Kealakekua, United States and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Kealakekua, United States and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Kealakekua (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 18 Hours.
Ulaanbaatar (Sergelen) time is 18 Hours ahead of Kealakekua.

Location	Local Time
Kealakekua (United States)	2025-12-15, 02:05:28 HST
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-15, 20:05:28 +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

Kona Community Hospital Helipad ( / ) Kealakekua, United States

Destination

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