The distance from Ishii Riverside Emergency Station Heliport () to Francisco de Sá Carneiro Airport (OPO) is 6728 miles or 10827 kilometers or 5843 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.
10827 kilometers is the direct flight distance between Ishii Riverside Emergency Station Heliport (Japan) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from Ishii ( Japan ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between Ishii and Porto takes around 15 hours 28 minutes.
Estimated
flight time from Ishii Riverside Emergency Station Heliport, Ishii, Japan to Francisco de Sá Carneiro Airport, Porto, Portugal is
15 hours 28 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 | | 10827 km |
| Statute Miles | | 6728 miles |
| Nautical Miles | | 5843 nm |
| Avg. Time of Flight | | 15 hours 28 minutes |
Ishii Riverside Emergency Station Heliport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of Ishii Riverside Emergency Station Heliport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Ishii to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between Ishii, Japan and Porto, Portugal. .
Nonstop flight route between Ishii, Japan and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
Ishii (Japan) and
Porto (Portugal) is 9 Hours.
Porto time is 9 Hours behind Ishii.
| Location | Local Time |
| Ishii (Japan) | 2025-12-16, 09:26:24 JST |
| Porto (Portugal) | 2025-12-16, 00:26:24 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.