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IST → SIN

Istanbul to Singapore: distance, flight time and the route it really takes

İstanbul to Singapore Changi is 8,681 km of great circle — 5,394 mi — and an estimated 11h 17m in the air. It crosses from Europe to Asia.

Great circle
8,681 km
5,394 mi
Estimated in the air
11h 17m
block time
Furthest from equator
41.3°N
at 0% along
One lap of Earth
21.7%
of 40,075 km
The Istanbul to Singapore route drawn as a great circle arc on a globe

What the aircraft actually flies over

From Istanbul the path crosses Turkey, then Iran, then Afghanistan, then Pakistan, then India, then 2,387 km of open water, then Malaysia.

The furthest the great circle gets from the equator is 41.3°N, 0% of the way along.

Flying the line that looks straight on a Mercator map — one constant compass bearing — would cover 8,790 km. That is 109 km further, about 1% more, and roughly 8m of extra flying.

From

IST

İstanbul

Istanbul, Turkey · Europe

41.3°N, 28.7°E

Flights to Istanbul
To

SIN

Singapore Changi

Singapore, Singapore · Asia

1.4°N, 104.0°E

Flights to Singapore

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.

Why the shortest path is a curve →

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