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GRU → SIN

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

São Paulo/Guarulhos–Governor André Franco Montoro to Singapore Changi is 15,995 km of great circle — 9,939 mi — and an estimated 20h 23m in the air. It crosses from South America to Asia.

Great circle
15,995 km
9,939 mi
Estimated in the air
20h 23m
block time
Furthest from equator
40.0°S
at 36% along
One lap of Earth
39.9%
of 40,075 km
The São Paulo to Singapore route drawn as a great circle arc on a globe

What the aircraft actually flies over

From São Paulo the path crosses 15,395 km of open water, then Indonesia.

The furthest the great circle gets from the equator is 40.0°S, 36% of the way along.

Flying the line that looks straight on a Mercator map — one constant compass bearing — would cover 16,514 km. That is 519 km further, about 3% more, and roughly 39m of extra flying.

From

GRU

São Paulo/Guarulhos–Governor André Franco Montoro

São Paulo, Brazil · South America

23.4°S, 46.5°W

Flights to São Paulo
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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