Distance From Sihanoukville International Airport to Harry Reid International Airport, KOS - LAS Distance

The distance from Sihanoukville International Airport (KOS) to Harry Reid International Airport (LAS) is 8343 miles or 13426 kilometers or 7245 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 Preah Sihanouk ( Cambodia ) to Las Vegas ( United States )?

A one-way nonstop (direct) flight between Preah Sihanouk and Las Vegas takes around 19 hours 10 minutes.

Estimated flight time from Sihanoukville International Airport, Preah Sihanouk, Cambodia to Harry Reid International Airport, Las Vegas, United States is 19 hours 10 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 • KOS - LAS

Kilometers		13426 km
Statute Miles		8343 miles
Nautical Miles		7245 nm
Avg. Time of Flight		19 hours 10 minutes

Sihanoukville International Airport to Harry Reid International Airport Flight Route Map - KOS to LAS Flight Path

Location of Sihanoukville International Airport & Harry Reid International Airport is given below.
Click the map to view Preah Sihanouk to Las Vegas nonstop flight path and travel direction.

Click to see flight route on Google Map between Preah Sihanouk, Cambodia and Las Vegas, United States. .

Nonstop flight route between Preah Sihanouk, Cambodia and Las Vegas, United States.

Time Difference Between the Airports • KOS - LAS

Time difference between Preah Sihanouk (Cambodia) and Las Vegas (United States) is 14 Hours.
Las Vegas time is 14 Hours behind Preah Sihanouk.

Location	Local Time
Preah Sihanouk (Cambodia)	2025-04-01, 20:43:03 +07
Las Vegas (United States)	2025-04-01, 06:43:03 PDT

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

Sihanoukville International Airport (KOS / VDSV) Preah Sihanouk, Cambodia

Destination

Harry Reid International Airport (LAS / KLAS) Las Vegas, United States