The distance from Priour Ranch Airport () to Francisco de Sá Carneiro Airport (OPO) is 4921 miles or 7919 kilometers or 4273 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.
7919 kilometers is the direct flight distance between Priour Ranch Airport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from Mountain Home ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between Mountain Home and Porto takes around 11 hours 18 minutes.
Estimated
flight time from Priour Ranch Airport, Mountain Home, United States to Francisco de Sá Carneiro Airport, Porto, 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 • - OPO
| Kilometers | | 7919 km |
| Statute Miles | | 4921 miles |
| Nautical Miles | | 4273 nm |
| Avg. Time of Flight | | 11 hours 18 minutes |
Priour Ranch Airport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of Priour Ranch Airport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Mountain Home to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between Mountain Home, United States and Porto, Portugal. .
Nonstop flight route between Mountain Home, United States and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
Mountain Home (United States) and
Porto (Portugal) is 7 Hours.
Porto time is 7 Hours ahead of Mountain Home.
| Location | Local Time |
| Mountain Home (United States) | 2026-05-04, 23:11:30 MDT |
| Porto (Portugal) | 2026-05-05, 06:11:30 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.