Distance From Lower Monumental Dam Heliport to Francisco de Sá Carneiro Airport

The distance from Lower Monumental Dam Heliport () to Francisco de Sá Carneiro Airport (OPO) is 4999 miles or 8045 kilometers or 4341 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 Kahlotus ( United States ) to Porto ( Portugal )?

A one-way nonstop (direct) flight between Kahlotus and Porto takes around 11 hours 29 minutes.

Estimated flight time from Lower Monumental Dam Heliport, Kahlotus, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is 11 hours 29 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 • - OPO

Kilometers		8045 km
Statute Miles		4999 miles
Nautical Miles		4341 nm
Avg. Time of Flight		11 hours 29 minutes

Lower Monumental Dam Heliport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path

Location of Lower Monumental Dam Heliport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Kahlotus to Porto nonstop flight path and travel direction.

Click to see flight route on Google Map between Kahlotus, United States and Porto, Portugal. .

Nonstop flight route between Kahlotus, United States and Porto, Portugal.

Time Difference Between the Airports • - OPO

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

Location	Local Time
Kahlotus (United States)	2026-03-21, 20:00:55 MDT
Porto (Portugal)	2026-03-22, 02:00:55 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

Lower Monumental Dam Heliport ( / WN84) Kahlotus, United States

Destination

Francisco de Sá Carneiro Airport (OPO / LPPR) Porto, Portugal