What is the flight distance between HPN and USM?

Distance between Westchester County Airport (HPN) and Koh Samui Airport (USM) is 14351 kilometers or 8917 miles.

Distance From Westchester County Airport to Koh Samui Airport (HPN - USM Distance)

Q: How long is the flight from HPN to USM?

Flight time from Westchester County Airport, Westchester County, United States to Koh Samui Airport, Koh Samui, Thailand is 17 hours 50 minutes under avarage conditions.

Q: What is the time difference between Westchester County, United States and Koh Samui, Thailand?

Time difference between Westchester County (United States) and Koh Samui (Thailand) is 12 Hours. Koh Samui time is 12 Hours ahead of Westchester County. It is currently 00:35 in Westchester County Airport (HPN) and 12:35 in Koh Samui Airport (USM).

The flight distance from Westchester County Airport (HPN) to Koh Samui Airport (USM) is 8917 miles. This is equivalent to 14351 kilometers or 7744 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

14351 kilometers is the distance from Westchester County Airport, United States to Koh Samui Airport, Thailand.

Flight Duration between Westchester County, United States and Koh Samui, Thailand

Estimated flight time from Westchester County Airport, Westchester County, United States to Koh Samui Airport, Koh Samui, Thailand is 17 hours 50 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • HPN - USM

Time difference between Westchester County (United States) and Koh Samui (Thailand) is 12 Hours.
Current local time in Westchester County is 2025-12-06, 00:35:25 EST and time in Koh Samui is 2025-12-06, 12:35:25 +07.
Koh Samui time is 12 Hours ahead of Westchester County.

Westchester County Airport to Koh Samui Airport Flight Route Map - HPN to USM Flight Path

Location of Westchester County Airport & Koh Samui Airport is given below.
Click the map to view Westchester County to Koh Samui nonstop flight path and travel direction.

Click to see flight route on Google Map between Westchester County, United States and Koh Samui, Thailand. .

Nonstop flight route between Westchester County, United States and Koh Samui, Thailand.

Westchester County Airport
City:	Westchester County
Country:	United States
IATA Code:	HPN
ICAO Code:	KHPN
GPS Coordinates:	Latitude: N 41° 4' 1.1'' Longitude: W 73° 42' 27.3''
Current time:	2025-12-06, 00:35:25 EST
Current weather:	Westchester County Airport 15 day weather forecast

Koh Samui Airport
City:	Koh Samui
Country:	Thailand
IATA Code:	USM
ICAO Code:	-
GPS Coordinates:	Latitude: N 9° 32' 52'' Longitude: E 100° 3' 43.2''
Current time:	2025-12-06, 12:35:25 +07
Current weather:	Koh Samui Airport 15 day weather forecast
Flights: