Distance From Tri-County Regional Airport to Humberto Delgado Airport (Lisbon Portela Airport), LNR - LIS Distance

The distance from Tri-County Regional Airport (LNR) to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 4066 miles or 6544 kilometers or 3531 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 Spring Green ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Spring Green and Lisbon takes around 9 hours 20 minutes.

Estimated flight time from Tri-County Regional Airport, Spring Green, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 9 hours 20 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 • LNR - LIS

Kilometers		6544 km
Statute Miles		4066 miles
Nautical Miles		3531 nm
Avg. Time of Flight		9 hours 20 minutes

Tri-County Regional Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - LNR to LIS Flight Path

Location of Tri-County Regional Airport & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view Spring Green to Lisbon nonstop flight path and travel direction.

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

Nonstop flight route between Spring Green, United States and Lisbon, Portugal.

Time Difference Between the Airports • LNR - LIS

Time difference between Spring Green (United States) and Lisbon (Portugal) is 6 Hours.
Lisbon time is 6 Hours ahead of Spring Green.

Location	Local Time
Spring Green (United States)	2026-08-03, 06:02:34 CDT
Lisbon (Portugal)	2026-08-03, 12:02:34 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

Tri-County Regional Airport (LNR / KLNR) Spring Green, United States

Destination

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