Distance From Central Maine/Norridgewock Airport to Francisco de Sá Carneiro Airport, OWK - OPO Distance

The distance from Central Maine/Norridgewock Airport (OWK) to Francisco de Sá Carneiro Airport (OPO) is 3029 miles or 4874 kilometers or 2630 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 Norridgewock ( United States ) to Porto ( Portugal )?

A one-way nonstop (direct) flight between Norridgewock and Porto takes around 6 hours 57 minutes.

Estimated flight time from Central Maine/Norridgewock Airport, Norridgewock, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is 6 hours 57 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 • OWK - OPO

Kilometers		4874 km
Statute Miles		3029 miles
Nautical Miles		2630 nm
Avg. Time of Flight		6 hours 57 minutes

Central Maine/Norridgewock Airport to Francisco de Sá Carneiro Airport Flight Route Map - OWK to OPO Flight Path

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

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

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

Time Difference Between the Airports • OWK - OPO

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

Location	Local Time
Norridgewock (United States)	2025-12-15, 00:25:47 EST
Porto (Portugal)	2025-12-15, 05:25:47 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

Central Maine/Norridgewock Airport (OWK / KOWK) Norridgewock, United States

Destination

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