Distance From Santa Cruz Airport to Ulaanbaatar Chinggis Khaan International Airport, STU - UBN Distance

The distance from Santa Cruz Airport (STU) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 7785 miles or 12528 kilometers or 6760 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 Santa Cruz ( Belize ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Santa Cruz and Ulaanbaatar (Sergelen) takes around 17 hours 53 minutes.

Estimated flight time from Santa Cruz Airport, Santa Cruz, Belize to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 17 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 • STU - UBN

Kilometers		12528 km
Statute Miles		7785 miles
Nautical Miles		6760 nm
Avg. Time of Flight		17 hours 53 minutes

Santa Cruz Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - STU to UBN Flight Path

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

Click to see flight route on Google Map between Santa Cruz, Belize and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Santa Cruz, Belize and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • STU - UBN

Time difference between Santa Cruz (Belize) and Ulaanbaatar (Sergelen) (Mongolia) is 14 Hours.
Ulaanbaatar (Sergelen) time is 14 Hours ahead of Santa Cruz.

Location	Local Time
Santa Cruz (Belize)	2026-03-15, 10:13:20 CST
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-16, 00:13:20 +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

Santa Cruz Airport (STU / ) Santa Cruz, Belize

Destination

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