Distance From Udon Thani Airport to Francisco de Sá Carneiro Airport, UTH - OPO Distance

The distance from Udon Thani Airport (UTH) to Francisco de Sá Carneiro Airport (OPO) is 6478 miles or 10426 kilometers or 5626 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 Udon Thani ( Thailand ) to Porto ( Portugal )?

A one-way nonstop (direct) flight between Udon Thani and Porto takes around 14 hours 53 minutes.

Estimated flight time from Udon Thani Airport, Udon Thani, Thailand to Francisco de Sá Carneiro Airport, Porto, Portugal is 14 hours 53 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 • UTH - OPO

Kilometers		10426 km
Statute Miles		6478 miles
Nautical Miles		5626 nm
Avg. Time of Flight		14 hours 53 minutes

Udon Thani Airport to Francisco de Sá Carneiro Airport Flight Route Map - UTH to OPO Flight Path

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

Click to see flight route on Google Map between Udon Thani, Thailand and Porto, Portugal. .

Nonstop flight route between Udon Thani, Thailand and Porto, Portugal.

Time Difference Between the Airports • UTH - OPO

Time difference between Udon Thani (Thailand) and Porto (Portugal) is 6 Hours.
Porto time is 6 Hours behind Udon Thani.

Location	Local Time
Udon Thani (Thailand)	2026-05-01, 23:44:26 +07
Porto (Portugal)	2026-05-01, 17:44:26 WEST

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

Udon Thani Airport (UTH / VTUD) Udon Thani, Thailand

Destination

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