Distance From Marin County Airport - Gnoss Field to Siem Reap International Airport, NOT - REP Distance

The distance from Marin County Airport - Gnoss Field (NOT) to Siem Reap International Airport (REP) is 7781 miles or 12523 kilometers or 6757 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 Novato ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Novato and Siem Reap takes around 17 hours 53 minutes.

Estimated flight time from Marin County Airport - Gnoss Field, Novato, United States to Siem Reap International Airport, Siem Reap, Cambodia is 17 hours 53 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 • NOT - REP

Kilometers		12523 km
Statute Miles		7781 miles
Nautical Miles		6757 nm
Avg. Time of Flight		17 hours 53 minutes

Marin County Airport - Gnoss Field to Siem Reap International Airport Flight Route Map - NOT to REP Flight Path

Location of Marin County Airport - Gnoss Field & Siem Reap International Airport is given below.
Click the map to view Novato to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • NOT - REP

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

Location	Local Time
Novato (United States)	2025-12-04, 22:47:56 PST
Siem Reap (Cambodia)	2025-12-05, 13:47:56 +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

Marin County Airport - Gnoss Field (NOT / KDVO) Novato, United States

Destination

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