Distance From New Siem Reap Angkor International Airport (under construction) to Humberto Delgado Airport (Lisbon Portela Airport)

The distance from New Siem Reap Angkor International Airport (under construction) () to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 6838 miles or 11004 kilometers or 5938 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 Siem Reap (Paoy Smach) ( Cambodia ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Siem Reap (Paoy Smach) and Lisbon takes around 15 hours 43 minutes.

Estimated flight time from New Siem Reap Angkor International Airport (under construction), Siem Reap (Paoy Smach), Cambodia to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 15 hours 43 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 • - LIS

Kilometers		11004 km
Statute Miles		6838 miles
Nautical Miles		5938 nm
Avg. Time of Flight		15 hours 43 minutes

New Siem Reap Angkor International Airport (under construction) to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - to LIS Flight Path

Location of New Siem Reap Angkor International Airport (under construction) & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view Siem Reap (Paoy Smach) to Lisbon nonstop flight path and travel direction.

Click to see flight route on Google Map between Siem Reap (Paoy Smach), Cambodia and Lisbon, Portugal. .

Nonstop flight route between Siem Reap (Paoy Smach), Cambodia and Lisbon, Portugal.

Time Difference Between the Airports • - LIS

Time difference between Siem Reap (Paoy Smach) (Cambodia) and Lisbon (Portugal) is 7 Hours.
Lisbon time is 7 Hours behind Siem Reap (Paoy Smach).

Location	Local Time
Siem Reap (Paoy Smach) (Cambodia)	2025-12-16, 23:58:14 +07
Lisbon (Portugal)	2025-12-16, 16:58:14 WET

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

New Siem Reap Angkor International Airport (under construction) ( / ) Siem Reap (Paoy Smach), Cambodia

Destination

Humberto Delgado Airport (Lisbon Portela Airport) (LIS / LPPT) Lisbon, Portugal