Distance From Thorburn Lake Seaplane Base to Tribhuvan International Airport

The distance from Thorburn Lake Seaplane Base () to Tribhuvan International Airport (KTM) is 6621 miles or 10655 kilometers or 5749 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 Thorburn Lake ( Canada ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Thorburn Lake and Kathmandu takes around 15 hours 13 minutes.

Estimated flight time from Thorburn Lake Seaplane Base, Thorburn Lake, Canada to Tribhuvan International Airport, Kathmandu, Nepal is 15 hours 13 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 • - KTM

Kilometers		10655 km
Statute Miles		6621 miles
Nautical Miles		5749 nm
Avg. Time of Flight		15 hours 13 minutes

Thorburn Lake Seaplane Base to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

Location of Thorburn Lake Seaplane Base & Tribhuvan International Airport is given below.
Click the map to view Thorburn Lake to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between Thorburn Lake, Canada and Kathmandu, Nepal. .

Nonstop flight route between Thorburn Lake, Canada and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Thorburn Lake (Canada) and Kathmandu (Nepal) is 8 Hours 15 Minutes.
Kathmandu time is 8 Hours 15 Minutes ahead of Thorburn Lake.

Location	Local Time
Thorburn Lake (Canada)	2026-05-04, 10:55:34 NDT
Kathmandu (Nepal)	2026-05-04, 19:10:34 +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

Thorburn Lake Seaplane Base ( / CCW5) Thorburn Lake, Canada

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal