Distance From Merck/Upper Gwynedd Heliport to Tribhuvan International Airport

The distance from Merck/Upper Gwynedd Heliport () to Tribhuvan International Airport (KTM) is 7583 miles or 12203 kilometers or 6585 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 North Wales ( United States ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between North Wales and Kathmandu takes around 17 hours 25 minutes.

Estimated flight time from Merck/Upper Gwynedd Heliport, North Wales, United States to Tribhuvan International Airport, Kathmandu, Nepal is 17 hours 25 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		12203 km
Statute Miles		7583 miles
Nautical Miles		6585 nm
Avg. Time of Flight		17 hours 25 minutes

Merck/Upper Gwynedd Heliport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

Location of Merck/Upper Gwynedd Heliport & Tribhuvan International Airport is given below.
Click the map to view North Wales to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between North Wales, United States and Kathmandu, Nepal. .

Nonstop flight route between North Wales, United States and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between North Wales (United States) and Kathmandu (Nepal) is 9 Hours 45 Minutes.
Kathmandu time is 9 Hours 45 Minutes ahead of North Wales.

Location	Local Time
North Wales (United States)	2026-06-23, 09:27:08 EDT
Kathmandu (Nepal)	2026-06-23, 19:12:08 +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

Merck/Upper Gwynedd Heliport ( / PN44) North Wales, United States

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal