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 Boston take?

Flight time depends on the exact route and aircraft, but at roughly 5,240 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 Boston

5,240

Kilometres (km)

3,256

Miles (mi)

2,829

Nautical miles

About this flight distance

The great circle distance from London to Boston is approximately 5,240 km. The typical flight time is 6h 39m.

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 Boston →Flight duration London to Boston →Cheapest day to fly London to Boston →Flights London to Boston

Nearby airports

Near London

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

Near Boston

Laurence G Hanscom Field (BED)26 km
Manchester Boston Regional Airport (MHT)72 km
Worcester Regional Airport (ORH)72 km

Frequently Asked Questions

The great-circle distance from London to Boston is approximately 5,240 km (3,256 miles).