Distance From Sembawang Air Base to Tribhuvan International Airport

The distance from Sembawang Air Base () to Tribhuvan International Airport (KTM) is 2188 miles or 3521 kilometers or 1900 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.

---

How long does it take to travel from Sembawang ( Singapore ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Sembawang and Kathmandu takes around 5 hours 1 minutes.

Estimated flight time from Sembawang Air Base, Sembawang, Singapore to Tribhuvan International Airport, Kathmandu, Nepal is 5 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 • - KTM

Kilometers		3521 km
Statute Miles		2188 miles
Nautical Miles		1900 nm
Avg. Time of Flight		5 hours 1 minutes

Sembawang Air Base to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

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

Click to see flight route on Google Map between Sembawang, Singapore and Kathmandu, Nepal. .

Nonstop flight route between Sembawang, Singapore and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Sembawang (Singapore) and Kathmandu (Nepal) is 2 Hours 15 Minutes.
Kathmandu time is 2 Hours 15 Minutes behind Sembawang.

Location	Local Time
Sembawang (Singapore)	2026-03-18, 03:49:59 +08
Kathmandu (Nepal)	2026-03-18, 01:34:59 +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

Sembawang Air Base ( / WSAG) Sembawang, Singapore

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal