Distance From Larner Field to Siem Reap International Airport

The distance from Larner Field () to Siem Reap International Airport (REP) is 7728 miles or 12437 kilometers or 6711 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.

---

How long does it take to travel from Deer Lodge ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Deer Lodge and Siem Reap takes around 17 hours 46 minutes.

Estimated flight time from Larner Field, Deer Lodge, United States to Siem Reap International Airport, Siem Reap, Cambodia is 17 hours 46 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		12437 km
Statute Miles		7728 miles
Nautical Miles		6711 nm
Avg. Time of Flight		17 hours 46 minutes

Larner Field to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Larner Field & Siem Reap International Airport is given below.
Click the map to view Deer Lodge to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - REP

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

Location	Local Time
Deer Lodge (United States)	2026-05-04, 17:50:46 MDT
Siem Reap (Cambodia)	2026-05-05, 06:50:46 +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

Larner Field ( / MT93) Deer Lodge, United States

Destination

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