What is the flight distance between USM and GCM?

Distance between Koh Samui Airport (USM) and Owen Roberts International Airport (GCM) is 16804 kilometers or 10442 miles.

Distance From Koh Samui Airport to Owen Roberts International Airport (USM - GCM Distance)

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

Flight time from Koh Samui Airport, Koh Samui, Thailand to Owen Roberts International Airport, Grand Cayman Island, Cayman Islands is 20 hours 54 minutes under avarage conditions.

Q: What is the time difference between Koh Samui, Thailand and Grand Cayman Island, Cayman Islands?

Time difference between Koh Samui (Thailand) and Grand Cayman Island (Cayman Islands) is 12 Hours. Grand Cayman Island time is 12 Hours behind Koh Samui. It is currently 16:34 in Koh Samui Airport (USM) and 04:34 in Owen Roberts International Airport (GCM).

The flight distance from Koh Samui Airport (USM) to Owen Roberts International Airport (GCM) is 10442 miles. This is equivalent to 16804 kilometers or 9068 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.

16804 kilometers is the distance from Koh Samui Airport, Thailand to Owen Roberts International Airport, Cayman Islands.

Flight Duration between Koh Samui, Thailand and Grand Cayman Island, Cayman Islands

Estimated flight time from Koh Samui Airport, Koh Samui, Thailand to Owen Roberts International Airport, Grand Cayman Island, Cayman Islands is 20 hours 54 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 • USM - GCM

Time difference between Koh Samui (Thailand) and Grand Cayman Island (Cayman Islands) is 12 Hours.
Current local time in Koh Samui is 2025-12-05, 16:34:29 +07 and time in Grand Cayman Island is 2025-12-05, 04:34:29 EST.
Grand Cayman Island time is 12 Hours behind Koh Samui.

Koh Samui Airport to Owen Roberts International Airport Flight Route Map - USM to GCM Flight Path

Location of Koh Samui Airport & Owen Roberts International Airport is given below.
Click the map to view Koh Samui to Grand Cayman Island nonstop flight path and travel direction.

Click to see flight route on Google Map between Koh Samui, Thailand and Grand Cayman Island, Cayman Islands. .

Nonstop flight route between Koh Samui, Thailand and Grand Cayman Island, Cayman Islands.

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:	2025-12-05, 16:34:29 +07
Current weather:	Koh Samui Airport 15 day weather forecast

Owen Roberts International Airport
City:	Grand Cayman Island
Country:	Cayman Islands
IATA Code:	GCM
ICAO Code:	MWCR
GPS Coordinates:	Latitude: N 19° 17' 34.1'' Longitude: W 81° 21' 27.7''
Current time:	2025-12-05, 04:34:29 EST
Current weather:	Owen Roberts International Airport 15 day weather forecast
Flights: