Distance From Sakakibara Heart Institute of Okayama Heliport to Tribhuvan International Airport

The distance from Sakakibara Heart Institute of Okayama Heliport () to Tribhuvan International Airport (KTM) is 2884 miles or 4641 kilometers or 2504 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 Okayama ( Japan ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Okayama and Kathmandu takes around 6 hours 37 minutes.

Estimated flight time from Sakakibara Heart Institute of Okayama Heliport, Okayama, Japan to Tribhuvan International Airport, Kathmandu, Nepal is 6 hours 37 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		4641 km
Statute Miles		2884 miles
Nautical Miles		2504 nm
Avg. Time of Flight		6 hours 37 minutes

Sakakibara Heart Institute of Okayama Heliport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

Location of Sakakibara Heart Institute of Okayama Heliport & Tribhuvan International Airport is given below.
Click the map to view Okayama to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between Okayama, Japan and Kathmandu, Nepal. .

Nonstop flight route between Okayama, Japan and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Okayama (Japan) and Kathmandu (Nepal) is 3 Hours 15 Minutes.
Kathmandu time is 3 Hours 15 Minutes behind Okayama.

Location	Local Time
Okayama (Japan)	2026-05-05, 09:41:43 JST
Kathmandu (Nepal)	2026-05-05, 06:26:43 +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

Sakakibara Heart Institute of Okayama Heliport ( / ) Okayama, Japan

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal