Distance From Illorsuit Heliport to Ulaanbaatar Chinggis Khaan International Airport, IOT - UBN Distance

The distance from Illorsuit Heliport (IOT) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4166 miles or 6704 kilometers or 3617 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.

---

How long does it take to travel from Illorsuit ( Greenland ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Illorsuit and Ulaanbaatar (Sergelen) takes around 9 hours 34 minutes.

Estimated flight time from Illorsuit Heliport, Illorsuit, Greenland to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 34 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 • IOT - UBN

Kilometers		6704 km
Statute Miles		4166 miles
Nautical Miles		3617 nm
Avg. Time of Flight		9 hours 34 minutes

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

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

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

Nonstop flight route between Illorsuit, Greenland and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • IOT - UBN

Time difference between Illorsuit (Greenland) and Ulaanbaatar (Sergelen) (Mongolia) is 11 Hours.
Ulaanbaatar (Sergelen) time is 11 Hours ahead of Illorsuit.

Location	Local Time
Illorsuit (Greenland)	2026-10-27, 14:14:31 ADT
Ulaanbaatar (Sergelen) (Mongolia)	2026-10-28, 01:14:31 +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

Illorsuit Heliport (IOT / BGLL) Illorsuit, Greenland

Destination

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