Distance From Copalis State Airport to Tribhuvan International Airport

The distance from Copalis State Airport () to Tribhuvan International Airport (KTM) is 6949 miles or 11183 kilometers or 6035 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 Copalis Crossing ( United States ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Copalis Crossing and Kathmandu takes around 15 hours 58 minutes.

Estimated flight time from Copalis State Airport, Copalis Crossing, United States to Tribhuvan International Airport, Kathmandu, Nepal is 15 hours 58 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		11183 km
Statute Miles		6949 miles
Nautical Miles		6035 nm
Avg. Time of Flight		15 hours 58 minutes

Copalis State Airport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

Location of Copalis State Airport & Tribhuvan International Airport is given below.
Click the map to view Copalis Crossing to Kathmandu nonstop flight path and travel direction.

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

Nonstop flight route between Copalis Crossing, United States and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Copalis Crossing (United States) and Kathmandu (Nepal) is 11 Hours 45 Minutes.
Kathmandu time is 11 Hours 45 Minutes ahead of Copalis Crossing.

Location	Local Time
Copalis Crossing (United States)	2026-05-07, 09:42:26 MDT
Kathmandu (Nepal)	2026-05-07, 21:27:26 +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

Copalis State Airport ( / ) Copalis Crossing, United States

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal