Distance From Stonington Municipal Airport to Francisco de Sá Carneiro Airport

The distance from Stonington Municipal Airport () to Francisco de Sá Carneiro Airport (OPO) is 2985 miles or 4803 kilometers or 2592 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 Stonington ( United States ) to Porto ( Portugal )?

A one-way nonstop (direct) flight between Stonington and Porto takes around 6 hours 51 minutes.

Estimated flight time from Stonington Municipal Airport, Stonington, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is 6 hours 51 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

Kilometers		4803 km
Statute Miles		2985 miles
Nautical Miles		2592 nm
Avg. Time of Flight		6 hours 51 minutes

Stonington Municipal Airport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path

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

Click to see flight route on Google Map between Stonington, United States and Porto, Portugal. .

Nonstop flight route between Stonington, United States and Porto, Portugal.

Time Difference Between the Airports • - OPO

Time difference between Stonington (United States) and Porto (Portugal) is 5 Hours.
Porto time is 5 Hours ahead of Stonington.

Location	Local Time
Stonington (United States)	2026-09-17, 20:41:59 EDT
Porto (Portugal)	2026-09-18, 01:41:59 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

Stonington Municipal Airport ( / 93B) Stonington, United States

Destination

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