Distance From Black Hills Airport-Clyde Ice Field to Humberto Delgado Airport (Lisbon Portela Airport), SPF - LIS Distance

The distance from Black Hills Airport-Clyde Ice Field (SPF) to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 4616 miles or 7429 kilometers or 4009 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 Spearfish ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Spearfish and Lisbon takes around 10 hours 36 minutes.

Estimated flight time from Black Hills Airport-Clyde Ice Field, Spearfish, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 10 hours 36 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 • SPF - LIS

Kilometers		7429 km
Statute Miles		4616 miles
Nautical Miles		4009 nm
Avg. Time of Flight		10 hours 36 minutes

Black Hills Airport-Clyde Ice Field to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - SPF to LIS Flight Path

Location of Black Hills Airport-Clyde Ice Field & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view Spearfish to Lisbon nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • SPF - LIS

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

Location	Local Time
Spearfish (United States)	2025-12-15, 08:35:24 CST
Lisbon (Portugal)	2025-12-15, 14:35:24 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

Black Hills Airport-Clyde Ice Field (SPF / KSPF) Spearfish, United States

Destination

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