Distance From Hot Springs County Airport to Phnom Penh International Airport, THP - PNH Distance

The distance from Hot Springs County Airport (THP) to Phnom Penh International Airport (PNH) is 8084 miles or 13010 kilometers or 7020 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 Thermopolis ( United States ) to Phnom Penh (Pou Senchey) ( Cambodia )?

A one-way nonstop (direct) flight between Thermopolis and Phnom Penh (Pou Senchey) takes around 18 hours 35 minutes.

Estimated flight time from Hot Springs County Airport, Thermopolis, United States to Phnom Penh International Airport, Phnom Penh (Pou Senchey), Cambodia is 18 hours 35 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 • THP - PNH

Kilometers		13010 km
Statute Miles		8084 miles
Nautical Miles		7020 nm
Avg. Time of Flight		18 hours 35 minutes

Hot Springs County Airport to Phnom Penh International Airport Flight Route Map - THP to PNH Flight Path

Location of Hot Springs County Airport & Phnom Penh International Airport is given below.
Click the map to view Thermopolis to Phnom Penh (Pou Senchey) nonstop flight path and travel direction.

Click to see flight route on Google Map between Thermopolis, United States and Phnom Penh (Pou Senchey), Cambodia. .

Nonstop flight route between Thermopolis, United States and Phnom Penh (Pou Senchey), Cambodia.

Time Difference Between the Airports • THP - PNH

Time difference between Thermopolis (United States) and Phnom Penh (Pou Senchey) (Cambodia) is 14 Hours.
Phnom Penh (Pou Senchey) time is 14 Hours ahead of Thermopolis.

Location	Local Time
Thermopolis (United States)	2025-12-14, 04:40:23 MST
Phnom Penh (Pou Senchey) (Cambodia)	2025-12-14, 18:40:23 +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

Hot Springs County Airport (THP / KHSG) Thermopolis, United States

Destination

Phnom Penh International Airport (PNH / VDPP) Phnom Penh (Pou Senchey), Cambodia