Distance From Aeródromo de Seia to Siem Reap International Airport

The distance from Aeródromo de Seia () to Siem Reap International Airport (REP) is 6698 miles or 10779 kilometers or 5817 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 Seia ( Portugal ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Seia and Siem Reap takes around 15 hours 23 minutes.

Estimated flight time from Aeródromo de Seia, Seia, Portugal to Siem Reap International Airport, Siem Reap, Cambodia is 15 hours 23 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		10779 km
Statute Miles		6698 miles
Nautical Miles		5817 nm
Avg. Time of Flight		15 hours 23 minutes

Aeródromo de Seia to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Aeródromo de Seia & Siem Reap International Airport is given below.
Click the map to view Seia to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - REP

Time difference between Seia (Portugal) and Siem Reap (Cambodia) is 6 Hours.
Siem Reap time is 6 Hours ahead of Seia.

Location	Local Time
Seia (Portugal)	2026-08-04, 17:29:59 WEST
Siem Reap (Cambodia)	2026-08-04, 23:29:59 +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

Aeródromo de Seia ( / LPSE) Seia, Portugal

Destination

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