Distance From Trat Airport to Tribhuvan International Airport, TDX - KTM Distance

The distance from Trat Airport (TDX) to Tribhuvan International Airport (KTM) is 1529 miles or 2461 kilometers or 1328 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 Laem Ngop ( Thailand ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Laem Ngop and Kathmandu takes around 3 hours 30 minutes.

Estimated flight time from Trat Airport, Laem Ngop, Thailand to Tribhuvan International Airport, Kathmandu, Nepal is 3 hours 30 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 • TDX - KTM

Kilometers		2461 km
Statute Miles		1529 miles
Nautical Miles		1328 nm
Avg. Time of Flight		3 hours 30 minutes

Trat Airport to Tribhuvan International Airport Flight Route Map - TDX to KTM Flight Path

Location of Trat Airport & Tribhuvan International Airport is given below.
Click the map to view Laem Ngop to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between Laem Ngop, Thailand and Kathmandu, Nepal. .

Nonstop flight route between Laem Ngop, Thailand and Kathmandu, Nepal.

Time Difference Between the Airports • TDX - KTM

Time difference between Laem Ngop (Thailand) and Kathmandu (Nepal) is 1 Hours 15 Minutes.
Kathmandu time is 1 Hours 15 Minutes behind Laem Ngop.

Location	Local Time
Laem Ngop (Thailand)	2026-07-26, 22:29:32 +07
Kathmandu (Nepal)	2026-07-26, 21:14:32 +0545

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

Trat Airport (TDX / VTBO) Laem Ngop, Thailand

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal