Distance From Adams Airport to Humberto Delgado Airport (Lisbon Portela Airport)

The distance from Adams Airport () to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 3894 miles or 6267 kilometers or 3382 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 Geneva ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Geneva and Lisbon takes around 8 hours 57 minutes.

Estimated flight time from Adams Airport, Geneva, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 8 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 • - LIS

Kilometers		6267 km
Statute Miles		3894 miles
Nautical Miles		3382 nm
Avg. Time of Flight		8 hours 57 minutes

Adams Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - to LIS Flight Path

Location of Adams Airport & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view Geneva to Lisbon nonstop flight path and travel direction.

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

Nonstop flight route between Geneva, United States and Lisbon, Portugal.

Time Difference Between the Airports • - LIS

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

Location	Local Time
Geneva (United States)	2026-11-01, 07:59:02 EST
Lisbon (Portugal)	2026-11-01, 12:59:02 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

Adams Airport ( / ) Geneva, United States

Destination

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