Shortest flight route flown between Manhattan, New York (JRB) and London, United Kingdom (LCY):
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What airports are furthest away (most antipodal) from Downtown Manhattan Heliport and London City Airport?

Departure Airport:

Get airport maps and more information about Downtown Manhattan Heliport   Downtown Manhattan Heliport (JRB)
(40°42'4"N by 74°0'31"W)

Arrival Airport:

Get airport maps and more information about London City Airport   London City Airport (LCY)
(51°30'19"N by 0°3'19"E)

Distance:

3,469 miles (5,583 kilometers)
 

About this route:

A direct flight between Downtown Manhattan Heliport (JRB), Manhattan, New York and London City Airport (LCY), London, United Kingdom would travel a Great Circle distance of 3,469 miles (or 5,583 kilometers). A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. The Great Circle route of your nonstop flight from Manhattan, New York to London, United Kingdom may appear curved on this flat map that you see here. If you were to simply draw a straight line on a flat map and measure that distance, it would likely be much further than if you were to lay a string from Downtown Manhattan Heliport to London City Airport on a globe.
 
Try it at home! Get a globe and tightly lay a string between Downtown Manhattan Heliport and London City Airport. You'll see that it will travel the same route of the red line on this map!