Distance From Francisco de Sá Carneiro Airport to Tribhuvan International Airport, OPO - KTM Distance

The distance from Francisco de Sá Carneiro Airport (OPO) to Tribhuvan International Airport (KTM) is 5179 miles or 8335 kilometers or 4498 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 Porto ( Portugal ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Porto and Kathmandu takes around 11 hours 54 minutes.

Estimated flight time from Francisco de Sá Carneiro Airport, Porto, Portugal to Tribhuvan International Airport, Kathmandu, Nepal is 11 hours 54 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 • OPO - KTM

Kilometers		8335 km
Statute Miles		5179 miles
Nautical Miles		4498 nm
Avg. Time of Flight		11 hours 54 minutes

Francisco de Sá Carneiro Airport to Tribhuvan International Airport Flight Route Map - OPO to KTM Flight Path

Location of Francisco de Sá Carneiro Airport & Tribhuvan International Airport is given below.
Click the map to view Porto to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between Porto, Portugal and Kathmandu, Nepal. .

Nonstop flight route between Porto, Portugal and Kathmandu, Nepal.

Time Difference Between the Airports • OPO - KTM

Time difference between Porto (Portugal) and Kathmandu (Nepal) is 5 Hours 45 Minutes.
Kathmandu time is 5 Hours 45 Minutes ahead of Porto.

Location	Local Time
Porto (Portugal)	2025-12-17, 03:15:42 WET
Kathmandu (Nepal)	2025-12-17, 09:00:42 +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

Francisco de Sá Carneiro Airport (OPO / LPPR) Porto, Portugal

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal