Distance From Cross Triangle Ranch Airport to Humberto Delgado Airport (Lisbon Portela Airport)

The distance from Cross Triangle Ranch Airport () to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 4922 miles or 7921 kilometers or 4275 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.

---

How long does it take to travel from Twin Sisters ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Twin Sisters and Lisbon takes around 11 hours 18 minutes.

Estimated flight time from Cross Triangle Ranch Airport, Twin Sisters, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 11 hours 18 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		7921 km
Statute Miles		4922 miles
Nautical Miles		4275 nm
Avg. Time of Flight		11 hours 18 minutes

Cross Triangle Ranch Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - to LIS Flight Path

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

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

Nonstop flight route between Twin Sisters, United States and Lisbon, Portugal.

Time Difference Between the Airports • - LIS

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

Location	Local Time
Twin Sisters (United States)	2026-09-17, 03:24:32 MDT
Lisbon (Portugal)	2026-09-17, 10:24:32 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

Cross Triangle Ranch Airport ( / 2XS5) Twin Sisters, United States

Destination

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