Distance From McChord Air Force Base to Ulaanbaatar Chinggis Khaan International Airport, TCM - UBN Distance

The distance from McChord Air Force Base (TCM) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5248 miles or 8445 kilometers or 4557 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 Tacoma ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Tacoma and Ulaanbaatar (Sergelen) takes around 12 hours 3 minutes.

Estimated flight time from McChord Air Force Base, Tacoma, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 12 hours 3 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 • TCM - UBN

Kilometers		8445 km
Statute Miles		5248 miles
Nautical Miles		4557 nm
Avg. Time of Flight		12 hours 3 minutes

McChord Air Force Base to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - TCM to UBN Flight Path

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

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

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

Time Difference Between the Airports • TCM - UBN

Time difference between Tacoma (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 14 Hours.
Ulaanbaatar (Sergelen) time is 14 Hours ahead of Tacoma.

Location	Local Time
Tacoma (United States)	2026-05-01, 01:15:15 MDT
Ulaanbaatar (Sergelen) (Mongolia)	2026-05-01, 15:15:15 +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

McChord Air Force Base (TCM / KTCM) Tacoma, United States

Destination

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