Distance From Thokchak Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Thokchak Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5104 miles or 8213 kilometers or 4432 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 Thokchak ( South Sudan ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Thokchak and Ulaanbaatar (Sergelen) takes around 11 hours 43 minutes.

Estimated flight time from Thokchak Airport, Thokchak, South Sudan to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 11 hours 43 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		8213 km
Statute Miles		5104 miles
Nautical Miles		4432 nm
Avg. Time of Flight		11 hours 43 minutes

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

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

Click to see flight route on Google Map between Thokchak, South Sudan and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Thokchak, South Sudan and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Thokchak (South Sudan) and Ulaanbaatar (Sergelen) (Mongolia) is 6 Hours.
Ulaanbaatar (Sergelen) time is 6 Hours ahead of Thokchak.

Location	Local Time
Thokchak (South Sudan)	2026-03-16, 03:08:15 CAT
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-16, 09:08:15 +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

Thokchak Airport ( / ) Thokchak, South Sudan

Destination

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