Distance From Siege Cross Farm Airstrip to Tribhuvan International Airport

The distance from Siege Cross Farm Airstrip () to Tribhuvan International Airport (KTM) is 4606 miles or 7413 kilometers or 4000 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 Thatcham ( United Kingdom ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Thatcham and Kathmandu takes around 10 hours 35 minutes.

Estimated flight time from Siege Cross Farm Airstrip, Thatcham, United Kingdom to Tribhuvan International Airport, Kathmandu, Nepal is 10 hours 35 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		7413 km
Statute Miles		4606 miles
Nautical Miles		4000 nm
Avg. Time of Flight		10 hours 35 minutes

Siege Cross Farm Airstrip to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

Location of Siege Cross Farm Airstrip & Tribhuvan International Airport is given below.
Click the map to view Thatcham to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between Thatcham, United Kingdom and Kathmandu, Nepal. .

Nonstop flight route between Thatcham, United Kingdom and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Thatcham (United Kingdom) and Kathmandu (Nepal) is 4 Hours 45 Minutes.
Kathmandu time is 4 Hours 45 Minutes ahead of Thatcham.

Location	Local Time
Thatcham (United Kingdom)	2026-04-30, 16:24:21 BST
Kathmandu (Nepal)	2026-04-30, 21:09:21 +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

Siege Cross Farm Airstrip ( / ) Thatcham, United Kingdom

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal