Distance From Korshunovo Heliport to Siem Reap International Airport

The distance from Korshunovo Heliport () to Siem Reap International Airport (REP) is 2795 miles or 4498 kilometers or 2427 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 Ust-Kamenogorsk (Oskemen) ( Kazakhstan ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Ust-Kamenogorsk (Oskemen) and Siem Reap takes around 6 hours 25 minutes.

Estimated flight time from Korshunovo Heliport, Ust-Kamenogorsk (Oskemen), Kazakhstan to Siem Reap International Airport, Siem Reap, Cambodia is 6 hours 25 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 • - REP

Kilometers		4498 km
Statute Miles		2795 miles
Nautical Miles		2427 nm
Avg. Time of Flight		6 hours 25 minutes

Korshunovo Heliport to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Korshunovo Heliport & Siem Reap International Airport is given below.
Click the map to view Ust-Kamenogorsk (Oskemen) to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Ust-Kamenogorsk (Oskemen), Kazakhstan and Siem Reap, Cambodia. .

Nonstop flight route between Ust-Kamenogorsk (Oskemen), Kazakhstan and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Ust-Kamenogorsk (Oskemen) (Kazakhstan) and Siem Reap (Cambodia) is 2 Hours.
Siem Reap time is 2 Hours ahead of Ust-Kamenogorsk (Oskemen).

Location	Local Time
Ust-Kamenogorsk (Oskemen) (Kazakhstan)	2026-10-29, 01:45:37 +05
Siem Reap (Cambodia)	2026-10-29, 03:45:37 +07

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

Korshunovo Heliport ( / ) Ust-Kamenogorsk (Oskemen), Kazakhstan

Destination

Siem Reap International Airport (REP / VDSR) Siem Reap, Cambodia