Distance From Grand Junction Regional Airport to Siem Reap International Airport, GJT - REP Distance

The distance from Grand Junction Regional Airport (GJT) to Siem Reap International Airport (REP) is 8251 miles or 13278 kilometers or 7165 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 Grand Junction ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Grand Junction and Siem Reap takes around 18 hours 58 minutes.

Estimated flight time from Grand Junction Regional Airport, Grand Junction, United States to Siem Reap International Airport, Siem Reap, Cambodia is 18 hours 58 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 • GJT - REP

Kilometers		13278 km
Statute Miles		8251 miles
Nautical Miles		7165 nm
Avg. Time of Flight		18 hours 58 minutes

Grand Junction Regional Airport to Siem Reap International Airport Flight Route Map - GJT to REP Flight Path

Location of Grand Junction Regional Airport & Siem Reap International Airport is given below.
Click the map to view Grand Junction to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • GJT - REP

Time difference between Grand Junction (United States) and Siem Reap (Cambodia) is 14 Hours.
Siem Reap time is 14 Hours ahead of Grand Junction.

Location	Local Time
Grand Junction (United States)	2025-12-04, 23:48:04 MST
Siem Reap (Cambodia)	2025-12-05, 13:48:04 +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

Grand Junction Regional Airport (GJT / KGJT) Grand Junction, United States

Destination

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