How is the flight distance measured?

Flight distances are measured as the great-circle (straight-line) distance between airports. Actual flight paths may be slightly longer due to air traffic routing and weather avoidance.

How long does the flight from London to Porto take?

Flight time depends on the exact route and aircraft, but at roughly 1,299 km the typical non-stop flight takes 1–10 hours. Check the flight duration page for the exact average.

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Flight Distance: London to Porto

1,299

Kilometres (km)

807

Miles (mi)

701

Nautical miles

About this flight distance

The great circle distance from London to Porto is approximately 1,299 km. The typical flight time is 2h 01m.

This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.

Related route pages

→Direct flights London to Porto →Flight duration London to Porto →Cheapest day to fly London to Porto →Flights London to Porto

Nearby airports

Near London

London City Airport (LCY)36 km
London Gatwick Airport (LGW)41 km
London Luton Airport (LTN)45 km

Near Porto

Vila Real Airport (VRL)80 km
Viseu Airport (VSE)88 km

Frequently Asked Questions

The great-circle distance from London to Porto is approximately 1,299 km (807 miles).