The distance from Graham Heliport () to Francisco de Sá Carneiro Airport (OPO) is 4018 miles or 6466 kilometers or 3489 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.
6466 kilometers is the direct flight distance between Graham Heliport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from East Dublin ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between East Dublin and Porto takes around 9 hours 14 minutes.
Estimated
flight time from Graham Heliport, East Dublin, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is
9 hours 14 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 | | 6466 km |
| Statute Miles | | 4018 miles |
| Nautical Miles | | 3489 nm |
| Avg. Time of Flight | | 9 hours 14 minutes |
Graham Heliport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of Graham Heliport & Francisco de Sá Carneiro Airport is given below.
Click the map to view East Dublin to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between East Dublin, United States and Porto, Portugal. .
Nonstop flight route between East Dublin, United States and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
East Dublin (United States) and
Porto (Portugal) is 4 Hours.
Porto time is 4 Hours ahead of East Dublin.
| Location | Local Time |
| East Dublin (United States) | 2026-03-21, 14:17:29 EDT |
| Porto (Portugal) | 2026-03-21, 18:17:29 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.