Distance From Lewiston Nez Perce County Airport to Siem Reap International Airport, LWS - REP Distance

The distance from Lewiston Nez Perce County Airport (LWS) to Siem Reap International Airport (REP) is 7592 miles or 12217 kilometers or 6593 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 Lewiston ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Lewiston and Siem Reap takes around 17 hours 27 minutes.

Estimated flight time from Lewiston Nez Perce County Airport, Lewiston, United States to Siem Reap International Airport, Siem Reap, Cambodia is 17 hours 27 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 • LWS - REP

Kilometers		12217 km
Statute Miles		7592 miles
Nautical Miles		6593 nm
Avg. Time of Flight		17 hours 27 minutes

Lewiston Nez Perce County Airport to Siem Reap International Airport Flight Route Map - LWS to REP Flight Path

Location of Lewiston Nez Perce County Airport & Siem Reap International Airport is given below.
Click the map to view Lewiston to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Lewiston, United States and Siem Reap, Cambodia. .

Nonstop flight route between Lewiston, United States and Siem Reap, Cambodia.

Time Difference Between the Airports • LWS - REP

Time difference between Lewiston (United States) and Siem Reap (Cambodia) is 13 Hours.
Siem Reap time is 13 Hours ahead of Lewiston.

Location	Local Time
Lewiston (United States)	2026-05-04, 22:49:26 MDT
Siem Reap (Cambodia)	2026-05-05, 11:49:26 +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

Lewiston Nez Perce County Airport (LWS / KLWS) Lewiston, United States

Destination

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