The distance from San Francisco VA Medical Center Heliport () to Francisco de Sá Carneiro Airport (OPO) is 5567 miles or 8959 kilometers or 4834 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.
8959 kilometers is the direct flight distance between San Francisco VA Medical Center Heliport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from San Francisco ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between San Francisco and Porto takes around 12 hours 47 minutes.
Estimated
flight time from San Francisco VA Medical Center Heliport, San Francisco, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is
12 hours 47 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 | | 8959 km |
| Statute Miles | | 5567 miles |
| Nautical Miles | | 4834 nm |
| Avg. Time of Flight | | 12 hours 47 minutes |
San Francisco VA Medical Center Heliport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of San Francisco VA Medical Center Heliport & Francisco de Sá Carneiro Airport is given below.
Click the map to view San Francisco to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between San Francisco, United States and Porto, Portugal. .
Nonstop flight route between San Francisco, United States and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
San Francisco (United States) and
Porto (Portugal) is 8 Hours.
Porto time is 8 Hours ahead of San Francisco.
| Location | Local Time |
| San Francisco (United States) | 2026-06-23, 15:23:29 PDT |
| Porto (Portugal) | 2026-06-23, 23:23:29 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.