- Great circle
- 4,748 km
- 2,950 mi
- Estimated in the air
- 6h 24m
- block time
- Furthest from equator
- 51.5°N
- at 0% along
- One lap of Earth
- 11.8%
- of 40,075 km
What the aircraft actually flies over
From London the path crosses France, then Italy, then Albania, then Greece, then 914 km of open water, then Egypt, then 831 km of open water.
The furthest the great circle gets from the equator is 51.5°N, 0% of the way along.
Flying the line that looks straight on a Mercator map — one constant compass bearing — would cover 4,784 km. That is 36 km further, about 1% more, and roughly 3m of extra flying.
JED
King Abdulaziz
Jeddah, Saudi Arabia · Asia
21.7°N, 39.2°E
How these numbers are worked out
The distance is the great circle between the two airports’ real coordinates — the shortest path over a sphere, and the measure airlines and loyalty programmes use. It is computed, not looked up from a table of published routes.
The time is an estimate derived from that distance, using the same arithmetic Orbit uses when you log a flight without timestamps: a typical airliner block speed of 500 mph plus thirty minutes for taxi, climb and descent. Real schedules run longer or shorter depending on winds, air traffic control routing and how far the gate is from the runway. Aircraft also do not fly perfect great circles — jet streams, airspace closures and ETOPS limits all bend the path, usually by a few percent.
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