Distance From Tribhuvan International Airport to Naha Airport / JASDF Naha Air Base, KTM - OKA Distance

The distance from Tribhuvan International Airport (KTM) to Naha Airport / JASDF Naha Air Base (OKA) is 2594 miles or 4175 kilometers or 2253 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 Kathmandu ( Nepal ) to Naha ( Japan )?

A one-way nonstop (direct) flight between Kathmandu and Naha takes around 5 hours 57 minutes.

Estimated flight time from Tribhuvan International Airport, Kathmandu, Nepal to Naha Airport / JASDF Naha Air Base, Naha, Japan is 5 hours 57 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 - OKA

Kilometers		4175 km
Statute Miles		2594 miles
Nautical Miles		2253 nm
Avg. Time of Flight		5 hours 57 minutes

Tribhuvan International Airport to Naha Airport / JASDF Naha Air Base Flight Route Map - KTM to OKA Flight Path

Location of Tribhuvan International Airport & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Kathmandu to Naha nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • KTM - OKA

Time difference between Kathmandu (Nepal) and Naha (Japan) is 3 Hours 15 Minutes.
Naha time is 3 Hours 15 Minutes ahead of Kathmandu.

Location	Local Time
Kathmandu (Nepal)	2025-03-28, 12:33:15 +0545
Naha (Japan)	2025-03-28, 15:48:15 JST

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

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal

Destination

Naha Airport / JASDF Naha Air Base (OKA / ROAH) Naha, Japan