Distance From Athens Eleftherios Venizelos International Airport to Siem Reap International Airport, ATH - REP Distance

The distance from Athens Eleftherios Venizelos International Airport (ATH) to Siem Reap International Airport (REP) is 5105 miles or 8216 kilometers or 4433 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 Athens ( Greece ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Athens and Siem Reap takes around 11 hours 44 minutes.

Estimated flight time from Athens Eleftherios Venizelos International Airport, Athens, Greece to Siem Reap International Airport, Siem Reap, Cambodia is 11 hours 44 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 • ATH - REP

Kilometers		8216 km
Statute Miles		5105 miles
Nautical Miles		4433 nm
Avg. Time of Flight		11 hours 44 minutes

Athens Eleftherios Venizelos International Airport to Siem Reap International Airport Flight Route Map - ATH to REP Flight Path

Location of Athens Eleftherios Venizelos International Airport & Siem Reap International Airport is given below.
Click the map to view Athens to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Athens, Greece and Siem Reap, Cambodia. .

Nonstop flight route between Athens, Greece and Siem Reap, Cambodia.

Time Difference Between the Airports • ATH - REP

Time difference between Athens (Greece) and Siem Reap (Cambodia) is 4 Hours.
Siem Reap time is 4 Hours ahead of Athens.

Location	Local Time
Athens (Greece)	2026-06-20, 15:32:49 EEST
Siem Reap (Cambodia)	2026-06-20, 19:32:49 +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

Athens Eleftherios Venizelos International Airport (ATH / LGAV) Athens, Greece

Destination

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