The distance from Suwa Interchange Heliport () to Tribhuvan International Airport (KTM) is 3112 miles or 5009 kilometers or 2703 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.
5009 kilometers is the direct flight distance between Suwa Interchange Heliport (Japan) and Tribhuvan International Airport (Nepal).
How long does it take to travel from Nakasu ( Japan ) to Kathmandu ( Nepal )?
A one-way nonstop (direct) flight between Nakasu and Kathmandu takes around 7 hours 9 minutes.
Estimated
flight time from Suwa Interchange Heliport, Nakasu, Japan to Tribhuvan International Airport, Kathmandu, Nepal is
7 hours 9 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 | | 5009 km |
| Statute Miles | | 3112 miles |
| Nautical Miles | | 2703 nm |
| Avg. Time of Flight | | 7 hours 9 minutes |
Suwa Interchange Heliport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path
Location of Suwa Interchange Heliport & Tribhuvan International Airport is given below.
Click the map to view Nakasu to Kathmandu nonstop flight path and travel direction.
Click to see flight route on Google Map between Nakasu, Japan and Kathmandu, Nepal. .
Nonstop flight route between Nakasu, Japan and Kathmandu, Nepal.
Time Difference Between the Airports • - KTM
Time difference between
Nakasu (Japan) and
Kathmandu (Nepal) is 3 Hours 15 Minutes.
Kathmandu time is 3 Hours 15 Minutes behind Nakasu.
| Location | Local Time |
| Nakasu (Japan) | 2026-03-20, 21:34:15 JST |
| Kathmandu (Nepal) | 2026-03-20, 18:19:15 +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.