---
title: "Perth to Singapore (PER → SIN): distance and flight time · Orbit"
description: "Perth to Singapore is 3,911 km (2,430 mi) great circle, an estimated 5h 22m in the air. The route, what it flies over, and why the short way is not the straight line on a map."
url: https://orbitflights.app/routes/per-to-sin
---

PER → SIN

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

Perth to Singapore Changi is 3,911 km of great circle — 2,430 mi — and an estimated 5h 22m in the air. It crosses from Oceania to Asia.

**Great circle**
3,911 km
2,430 mi

**Estimated in the air**
5h 22m
block time

**Furthest from equator**
31.9°S
at 0% along

**One lap of Earth**
9.8%
of 40,075 km

Of the [292 routes catalogued here](https://orbitflights.app/routes), this is the 150th longest.

The Perth to Singapore route drawn as a great circle arc on a globe

## What the aircraft actually flies over

From Perth the path crosses Australia, then 2,219 km of open water, then Indonesia, then 430 km of open water.

The furthest the great circle gets from the equator is 31.9°S, 0% of the way along.

Holding a single compass bearing the whole way would cover almost exactly the same ground, so on this route the flat map and the globe agree.

The heading barely moves: north out of Perth, north into Singapore. Over this distance the curve has too little room to bend the compass.

One economy seat on it is about 554 kg of CO₂e each way, counting non-CO₂ warming.

[PER–SIN carbon footprint →](https://orbitflights.app/tools/flight-carbon-calculator?from=PER&to=SIN) [Map this route →](https://orbitflights.app/tools/flight-route-map?r=PER-SIN)

From

PER

## Perth

Perth, Australia · Oceania

31.9°S, 116.0°E

[PER airport →](https://orbitflights.app/airports/per) [Flights to Perth →](https://orbitflights.app/flights-to/perth)

To

SIN

## Singapore Changi

Singapore, Singapore · Asia

1.4°N, 104.0°E

[SIN airport →](https://orbitflights.app/airports/sin) [Flights to Singapore →](https://orbitflights.app/flights-to/singapore)

## Perth to Singapore, asked and answered

**How far is Perth to Singapore?**
Perth to Singapore (PER to SIN) is 3,911 km, or 2,430 mi, measured as great circle distance between the two airports.

**How long is the flight from Perth to Singapore?**
About 5h 22m in the air. That is an estimate from the distance at a typical airliner block speed, plus half an hour for taxi, climb and descent; published schedules vary with winds and routing.

**What route does a Perth to Singapore flight take?**
The great circle passes over Australia, then 2,219 km of open water, then Indonesia, then 430 km of open water. It reaches 31.9°S at its furthest from the equator.

## Where these numbers come from

Distances are computed from the two airports’ own coordinates, not looked up from published routes. Times are estimates, not schedules.

[Why the shortest path is a curve →](https://orbitflights.app/blog/great-circle-routes-explained)

## Flown this one?

Orbit logs it in two taps and draws the arc on your own globe, along with every other flight you can remember. Free for your first 15.

[Download now](https://play.google.com/store/apps/details?id=com.qwertybit.orbit)

## Nearby routes

[SYD → PER Sydney to Perth 3,277 km](https://orbitflights.app/routes/syd-to-per) [MEL → PER Melbourne to Perth 2,700 km](https://orbitflights.app/routes/mel-to-per) [HKG → SIN Hong Kong to Singapore 2,566 km](https://orbitflights.app/routes/hkg-to-sin) [HND → SIN Tokyo to Singapore 5,300 km](https://orbitflights.app/routes/hnd-to-sin) [SIN → MNL Singapore to Manila 2,375 km](https://orbitflights.app/routes/sin-to-mnl) [DXB → SIN Dubai to Singapore 5,846 km](https://orbitflights.app/routes/dxb-to-sin)

## Further reading

[How many miles do you have to fly around the world?](https://orbitflights.app/blog/how-many-miles-to-fly-around-the-world) [What is on the exact opposite side of the world?](https://orbitflights.app/blog/opposite-side-of-the-world) [What's actually worth counting in a flight log](https://orbitflights.app/blog/what-is-worth-counting-in-a-flight-log)

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Markdown copy of https://orbitflights.app/routes/per-to-sin for language models and agents. Site index: https://orbitflights.app/llms.txt