Distance From Aransas County Airport to Humberto Delgado Airport (Lisbon Portela Airport), RKP - LIS Distance

The distance from Aransas County Airport (RKP) to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 4929 miles or 7933 kilometers or 4281 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 Rockport ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Rockport and Lisbon takes around 11 hours 19 minutes.

Estimated flight time from Aransas County Airport, Rockport, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 11 hours 19 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 • RKP - LIS

Kilometers		7933 km
Statute Miles		4929 miles
Nautical Miles		4281 nm
Avg. Time of Flight		11 hours 19 minutes

Aransas County Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - RKP to LIS Flight Path

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

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

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

Time Difference Between the Airports • RKP - LIS

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

Location	Local Time
Rockport (United States)	2026-08-02, 18:33:05 CDT
Lisbon (Portugal)	2026-08-03, 00:33:05 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

Aransas County Airport (RKP / KRKP) Rockport, United States

Destination

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