Distance From Chefornak Airport to Ulaanbaatar Chinggis Khaan International Airport, CYF - UBN Distance

The distance from Chefornak Airport (CYF) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 3432 miles or 5522 kilometers or 2980 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 Chefornak ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Chefornak and Ulaanbaatar (Sergelen) takes around 7 hours 53 minutes.

Estimated flight time from Chefornak Airport, Chefornak, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 7 hours 53 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 • CYF - UBN

Kilometers		5522 km
Statute Miles		3432 miles
Nautical Miles		2980 nm
Avg. Time of Flight		7 hours 53 minutes

Chefornak Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - CYF to UBN Flight Path

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

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

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

Time Difference Between the Airports • CYF - UBN

Time difference between Chefornak (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 16 Hours.
Ulaanbaatar (Sergelen) time is 16 Hours ahead of Chefornak.

Location	Local Time
Chefornak (United States)	2026-08-07, 17:52:13 AKDT
Ulaanbaatar (Sergelen) (Mongolia)	2026-08-08, 09:52:13 +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

Chefornak Airport (CYF / PACK) Chefornak, United States

Destination

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