Distance From Samui Airport to Louisville Muhammad Ali International Airport, USM - SDF Distance

The distance from Samui Airport (USM) to Louisville Muhammad Ali International Airport (SDF) is 9118 miles or 14674 kilometers or 7918 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 Na Thon (Ko Samui Island) ( Thailand ) to Louisville ( United States )?

A one-way nonstop (direct) flight between Na Thon (Ko Samui Island) and Louisville takes around 20 hours 57 minutes.

Estimated flight time from Samui Airport, Na Thon (Ko Samui Island), Thailand to Louisville Muhammad Ali International Airport, Louisville, United States is 20 hours 57 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 • USM - SDF

Kilometers		14674 km
Statute Miles		9118 miles
Nautical Miles		7918 nm
Avg. Time of Flight		20 hours 57 minutes

Samui Airport to Louisville Muhammad Ali International Airport Flight Route Map - USM to SDF Flight Path

Location of Samui Airport & Louisville Muhammad Ali International Airport is given below.
Click the map to view Na Thon (Ko Samui Island) to Louisville nonstop flight path and travel direction.

Click to see flight route on Google Map between Na Thon (Ko Samui Island), Thailand and Louisville, United States. .

Nonstop flight route between Na Thon (Ko Samui Island), Thailand and Louisville, United States.

Time Difference Between the Airports • USM - SDF

Time difference between Na Thon (Ko Samui Island) (Thailand) and Louisville (United States) is 11 Hours.
Louisville time is 11 Hours behind Na Thon (Ko Samui Island).

Location	Local Time
Na Thon (Ko Samui Island) (Thailand)	2026-06-15, 13:31:48 +07
Louisville (United States)	2026-06-15, 02:31:48 EDT

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

Samui Airport (USM / VTSM) Na Thon (Ko Samui Island), Thailand

Destination

Louisville Muhammad Ali International Airport (SDF / KSDF) Louisville, United States