Distance From Greenleaf Air Ranch Airport to Humberto Delgado Airport (Lisbon Portela Airport)

The distance from Greenleaf Air Ranch Airport () to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 5172 miles or 8324 kilometers or 4492 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 Greenleaf ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Greenleaf and Lisbon takes around 11 hours 53 minutes.

Estimated flight time from Greenleaf Air Ranch Airport, Greenleaf, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 11 hours 53 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		8324 km
Statute Miles		5172 miles
Nautical Miles		4492 nm
Avg. Time of Flight		11 hours 53 minutes

Greenleaf Air Ranch Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - to LIS Flight Path

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

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

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

Time Difference Between the Airports • - LIS

Time difference between Greenleaf (United States) and Lisbon (Portugal) is 7 Hours.
Lisbon time is 7 Hours ahead of Greenleaf.

Location	Local Time
Greenleaf (United States)	2026-05-04, 19:32:09 MDT
Lisbon (Portugal)	2026-05-05, 02:32:09 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

Greenleaf Air Ranch Airport ( / ) Greenleaf, United States

Destination

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