Distance From Cerieira Airfield to Siem Reap International Airport

The distance from Cerieira Airfield () to Siem Reap International Airport (REP) is 6757 miles or 10874 kilometers or 5868 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 Portel ( Portugal ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Portel and Siem Reap takes around 15 hours 32 minutes.

Estimated flight time from Cerieira Airfield, Portel, Portugal to Siem Reap International Airport, Siem Reap, Cambodia is 15 hours 32 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		10874 km
Statute Miles		6757 miles
Nautical Miles		5868 nm
Avg. Time of Flight		15 hours 32 minutes

Cerieira Airfield to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Cerieira Airfield & Siem Reap International Airport is given below.
Click the map to view Portel to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Portel, Portugal and Siem Reap, Cambodia. .

Nonstop flight route between Portel, Portugal and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Portel (Portugal) and Siem Reap (Cambodia) is 7 Hours.
Siem Reap time is 7 Hours ahead of Portel.

Location	Local Time
Portel (Portugal)	2025-12-16, 10:18:43 WET
Siem Reap (Cambodia)	2025-12-16, 17:18:43 +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

Cerieira Airfield ( / ) Portel, Portugal

Destination

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