Distance From Tri-City Airport to Siem Reap International Airport

The distance from Tri-City Airport () to Siem Reap International Airport (REP) is 8712 miles or 14021 kilometers or 7566 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 West Lafayette ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between West Lafayette and Siem Reap takes around 20 hours 1 minutes.

Estimated flight time from Tri-City Airport, West Lafayette, United States to Siem Reap International Airport, Siem Reap, Cambodia is 20 hours 1 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		14021 km
Statute Miles		8712 miles
Nautical Miles		7566 nm
Avg. Time of Flight		20 hours 1 minutes

Tri-City Airport to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Tri-City Airport & Siem Reap International Airport is given below.
Click the map to view West Lafayette to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - REP

Time difference between West Lafayette (United States) and Siem Reap (Cambodia) is 12 Hours.
Siem Reap time is 12 Hours ahead of West Lafayette.

Location	Local Time
West Lafayette (United States)	2025-12-05, 05:22:02 EST
Siem Reap (Cambodia)	2025-12-05, 17:22:02 +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

Tri-City Airport ( / 80G) West Lafayette, United States

Destination

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