Distance From Alta Mesa Airpark to Tribhuvan International Airport

The distance from Alta Mesa Airpark () to Tribhuvan International Airport (KTM) is 7559 miles or 12165 kilometers or 6564 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 Wilton ( United States ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Wilton and Kathmandu takes around 17 hours 22 minutes.

Estimated flight time from Alta Mesa Airpark, Wilton, United States to Tribhuvan International Airport, Kathmandu, Nepal is 17 hours 22 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		12165 km
Statute Miles		7559 miles
Nautical Miles		6564 nm
Avg. Time of Flight		17 hours 22 minutes

Alta Mesa Airpark to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

Location of Alta Mesa Airpark & Tribhuvan International Airport is given below.
Click the map to view Wilton to Kathmandu nonstop flight path and travel direction.

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

Nonstop flight route between Wilton, United States and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Wilton (United States) and Kathmandu (Nepal) is 13 Hours 45 Minutes.
Kathmandu time is 13 Hours 45 Minutes ahead of Wilton.

Location	Local Time
Wilton (United States)	2026-11-01, 02:03:48 PST
Kathmandu (Nepal)	2026-11-01, 15:48:48 +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

Alta Mesa Airpark ( / 3CN7) Wilton, United States

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal