Distance From Lost River 1 Airport to Siem Reap International Airport

The distance from Lost River 1 Airport () to Siem Reap International Airport (REP) is 5350 miles or 8609 kilometers or 4646 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 Lost River ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Lost River and Siem Reap takes around 12 hours 17 minutes.

Estimated flight time from Lost River 1 Airport, Lost River, United States to Siem Reap International Airport, Siem Reap, Cambodia is 12 hours 17 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		8609 km
Statute Miles		5350 miles
Nautical Miles		4646 nm
Avg. Time of Flight		12 hours 17 minutes

Lost River 1 Airport to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Lost River 1 Airport & Siem Reap International Airport is given below.
Click the map to view Lost River to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - REP

Time difference between Lost River (United States) and Siem Reap (Cambodia) is 15 Hours.
Siem Reap time is 15 Hours ahead of Lost River.

Location	Local Time
Lost River (United States)	2026-06-22, 04:35:01 AKDT
Siem Reap (Cambodia)	2026-06-22, 19:35:01 +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

Lost River 1 Airport ( / LSR) Lost River, United States

Destination

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