Distance From Lakeside Marina Seaplane Base to Humberto Delgado Airport (Lisbon Portela Airport)

The distance from Lakeside Marina Seaplane Base () to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 3093 miles or 4977 kilometers or 2686 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 East Winthrop ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between East Winthrop and Lisbon takes around 7 hours 6 minutes.

Estimated flight time from Lakeside Marina Seaplane Base, East Winthrop, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 7 hours 6 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 • - LIS

Kilometers		4977 km
Statute Miles		3093 miles
Nautical Miles		2686 nm
Avg. Time of Flight		7 hours 6 minutes

Lakeside Marina Seaplane Base to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - to LIS Flight Path

Location of Lakeside Marina Seaplane Base & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view East Winthrop to Lisbon nonstop flight path and travel direction.

Click to see flight route on Google Map between East Winthrop, United States and Lisbon, Portugal. .

Nonstop flight route between East Winthrop, United States and Lisbon, Portugal.

Time Difference Between the Airports • - LIS

Time difference between East Winthrop (United States) and Lisbon (Portugal) is 4 Hours.
Lisbon time is 4 Hours ahead of East Winthrop.

Location	Local Time
East Winthrop (United States)	2026-03-22, 06:28:25 EDT
Lisbon (Portugal)	2026-03-22, 10:28:25 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

Lakeside Marina Seaplane Base ( / 03M) East Winthrop, United States

Destination

Humberto Delgado Airport (Lisbon Portela Airport) (LIS / LPPT) Lisbon, Portugal