Distance From Osmany International Airport to Tribhuvan International Airport, ZYL - KTM Distance

The distance from Osmany International Airport (ZYL) to Tribhuvan International Airport (KTM) is 445 miles or 716 kilometers or 387 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 Sylhet ( Bangladesh ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Sylhet and Kathmandu takes around 1 hours 1 minutes.

Estimated flight time from Osmany International Airport, Sylhet, Bangladesh to Tribhuvan International Airport, Kathmandu, Nepal is 1 hours 1 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 • ZYL - KTM

Kilometers		716 km
Statute Miles		445 miles
Nautical Miles		387 nm
Avg. Time of Flight		1 hours 1 minutes

Osmany International Airport to Tribhuvan International Airport Flight Route Map - ZYL to KTM Flight Path

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

Click to see flight route on Google Map between Sylhet, Bangladesh and Kathmandu, Nepal. .

Nonstop flight route between Sylhet, Bangladesh and Kathmandu, Nepal.

Time Difference Between the Airports • ZYL - KTM

Time difference between Sylhet (Bangladesh) and Kathmandu (Nepal) is 0 Hours 15 Minutes.
Kathmandu time is 0 Hours 15 Minutes behind Sylhet.

Location	Local Time
Sylhet (Bangladesh)	2026-08-09, 06:59:22 +06
Kathmandu (Nepal)	2026-08-09, 06:44:22 +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

Osmany International Airport (ZYL / VGSY) Sylhet, Bangladesh

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal