Distance From Donoi Airport to Sofia Airport, ULZ - SOF Distance

The distance from Donoi Airport (ULZ) to Sofia Airport (SOF) is 3442 miles or 5539 kilometers or 2989 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 Uliastai ( Mongolia ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Uliastai and Sofia takes around 7 hours 54 minutes.

Estimated flight time from Donoi Airport, Uliastai, Mongolia to Sofia Airport, Sofia, Bulgaria is 7 hours 54 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 • ULZ - SOF

Kilometers		5539 km
Statute Miles		3442 miles
Nautical Miles		2989 nm
Avg. Time of Flight		7 hours 54 minutes

Donoi Airport to Sofia Airport Flight Route Map - ULZ to SOF Flight Path

Location of Donoi Airport & Sofia Airport is given below.
Click the map to view Uliastai to Sofia nonstop flight path and travel direction.

Click to see flight route on Google Map between Uliastai, Mongolia and Sofia, Bulgaria. .

Nonstop flight route between Uliastai, Mongolia and Sofia, Bulgaria.

Time Difference Between the Airports • ULZ - SOF

Time difference between Uliastai (Mongolia) and Sofia (Bulgaria) is 4 Hours.
Sofia time is 4 Hours behind Uliastai.

Location	Local Time
Uliastai (Mongolia)	2026-05-03, 21:05:12 +07
Sofia (Bulgaria)	2026-05-03, 17:05:12 EEST

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

Donoi Airport (ULZ / ZMDN) Uliastai, Mongolia

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria