Distance From Cheonan City Health Center Heliport to Siem Reap International Airport

The distance from Cheonan City Health Center Heliport () to Siem Reap International Airport (REP) is 2165 miles or 3484 kilometers or 1880 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 Cheonan ( South Korea ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Cheonan and Siem Reap takes around 4 hours 58 minutes.

Estimated flight time from Cheonan City Health Center Heliport, Cheonan, South Korea to Siem Reap International Airport, Siem Reap, Cambodia is 4 hours 58 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		3484 km
Statute Miles		2165 miles
Nautical Miles		1880 nm
Avg. Time of Flight		4 hours 58 minutes

Cheonan City Health Center Heliport to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Cheonan City Health Center Heliport & Siem Reap International Airport is given below.
Click the map to view Cheonan to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Cheonan, South Korea and Siem Reap, Cambodia. .

Nonstop flight route between Cheonan, South Korea and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Cheonan (South Korea) and Siem Reap (Cambodia) is 2 Hours.
Siem Reap time is 2 Hours behind Cheonan.

Location	Local Time
Cheonan (South Korea)	2026-09-12, 19:20:04 KST
Siem Reap (Cambodia)	2026-09-12, 17:20:04 +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

Cheonan City Health Center Heliport ( / ) Cheonan, South Korea

Destination

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