The distance from RAF Northolt (NHT) to Francisco de Sá Carneiro Airport (OPO) is 813 miles or 1308 kilometers or 706 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.
1308 kilometers is the direct flight distance between RAF Northolt (United Kingdom) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from London ( United Kingdom ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between London and Porto takes around 1 hours 52 minutes.
Estimated
flight time from RAF Northolt, London, United Kingdom to Francisco de Sá Carneiro Airport, Porto, Portugal is
1 hours 52 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 • NHT - OPO
| Kilometers | | 1308 km |
| Statute Miles | | 813 miles |
| Nautical Miles | | 706 nm |
| Avg. Time of Flight | | 1 hours 52 minutes |
RAF Northolt to Francisco de Sá Carneiro Airport Flight Route Map - NHT to OPO Flight Path
Location of RAF Northolt & Francisco de Sá Carneiro Airport is given below.
Click the map to view London to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between London, United Kingdom and Porto, Portugal. .
Nonstop flight route between London, United Kingdom and Porto, Portugal.
Time Difference Between the Airports • NHT - OPO
Time difference between
London (United Kingdom) and
Porto (Portugal) is 0 Hours.
| Location | Local Time |
| London (United Kingdom) | 2026-06-15, 06:37:15 BST |
| Porto (Portugal) | 2026-06-15, 06:37:15 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.