Distance From Sebago Lake Basin Seaplane Base to Francisco de Sá Carneiro Airport

The distance from Sebago Lake Basin Seaplane Base () to Francisco de Sá Carneiro Airport (OPO) is 3076 miles or 4950 kilometers or 2671 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 North Windham ( United States ) to Porto ( Portugal )?

A one-way nonstop (direct) flight between North Windham and Porto takes around 7 hours 4 minutes.

Estimated flight time from Sebago Lake Basin Seaplane Base, North Windham, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is 7 hours 4 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		4950 km
Statute Miles		3076 miles
Nautical Miles		2671 nm
Avg. Time of Flight		7 hours 4 minutes

Sebago Lake Basin Seaplane Base to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path

Location of Sebago Lake Basin Seaplane Base & Francisco de Sá Carneiro Airport is given below.
Click the map to view North Windham to Porto nonstop flight path and travel direction.

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

Nonstop flight route between North Windham, United States and Porto, Portugal.

Time Difference Between the Airports • - OPO

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

Location	Local Time
North Windham (United States)	2025-12-15, 06:38:09 EST
Porto (Portugal)	2025-12-15, 11:38:09 WET

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

Sebago Lake Basin Seaplane Base ( / 0ME7) North Windham, United States

Destination

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