Distance From Sullivan Regional Airport to Tribhuvan International Airport

The distance from Sullivan Regional Airport () to Tribhuvan International Airport (KTM) is 7876 miles or 12675 kilometers or 6840 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 Sullivan ( United States ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Sullivan and Kathmandu takes around 18 hours 6 minutes.

Estimated flight time from Sullivan Regional Airport, Sullivan, United States to Tribhuvan International Airport, Kathmandu, Nepal is 18 hours 6 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		12675 km
Statute Miles		7876 miles
Nautical Miles		6840 nm
Avg. Time of Flight		18 hours 6 minutes

Sullivan Regional Airport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

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

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

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

Time Difference Between the Airports • - KTM

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

Location	Local Time
Sullivan (United States)	2026-09-17, 12:40:59 EDT
Kathmandu (Nepal)	2026-09-17, 22:25:59 +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

Sullivan Regional Airport ( / KUUV) Sullivan, United States

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal