Part of the data ring
FlyTime
GRU → SIN

São Paulo to Singapore

20h 17mgate to gate

The flight from São Paulo/Guarulhos–Governor André Franco Montoro International Airport (GRU) to Singapore Changi Airport (SIN) covers 15,995 km (9,939 miles) and takes approximately 20h 17m gate to gate for a typical jet.

The route heads south-east on an initial great-circle bearing of 123°, passing near 37.1° S, 38.0° E at its midpoint.

Great-circle strip Plate GRU–SIN
20h 17mGATE TO GATE5h 04m15h 13mGRUSão PauloSINSingapore123° SOUTH-EAST8,637 NM03,9997,99811,99615,995 km

Bearing 123° south-east Midpoint 37.1° S, 38.0° E Model 805 km/h + 25 min

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

Flight time20h 17mestimated, gate to gate
Distance15,995km · 9,939 mi
Nautical8,637nautical miles
Direction123°south-east

How this is worked out

  1. Take both airports' published coordinates from OurAirports — nothing here is scraped from another flight site.
  2. Great-circle distance by haversine on a mean earth radius of 6,371.0088 km: 15,995 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 19h 52m.
  4. Add a flat 25 minutes for pushback, taxi, climb, descent and taxi-in — the reason a 400 km hop is never half an hour: 20h 17m gate to gate.
  5. Winds, aircraft type and airline schedule padding are not modelled. The cruise-speed table shows how much that assumption is worth.
15,995 km / 805 km/h = 19h 52m airborne
            + 25 min ground = 20h 17m gate to gate

The full model, and what it ignores →

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

The same route, plotted on a world grid

The strip above gives the route its length and its shape. This gives it a position: latitude and longitude only, no coastlines, because a hand-drawn coastline would be decoration pretending to be data. On a flat grid the shortest path looks bent; on a globe it is straight.

GRU SIN

Flight time at different cruise speeds

Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.

Typical ofCruise speedAirborneGate to gate
Turboprop / regional550 km/h29h 05m29h 30m
Narrowbody jet (A320, 737)780 km/h20h 30m20h 56m
Widebody jet (777, 787, A350)900 km/h17h 46m18h 12m
Private jet (Gulfstream)850 km/h18h 49m19h 14m

Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

Both airports

GRUSIN
AirportSão Paulo/Guarulhos–Governor André Franco Montoro International AirportSingapore Changi Airport
CitySão PauloSingapore
CountryBrazilSingapore
ICAOSBGRWSSS
Coordinates-23.4313, -46.471.3502, 103.994
Elevation2,461 ft22 ft

Every figure on this plate is geometry. The shape of the earth is knowable; the airline's schedule is not.

Questions this plate answers

How long is the flight from São Paulo to Singapore?

A non-stop flight from São Paulo (GRU) to Singapore (SIN) takes about 20h 17m. The great-circle distance is 15,995 km (9,939 miles, 8,637 nautical miles), flying south-east on an initial bearing of 123°.

How far is São Paulo from Singapore?

15,995 kilometres in a straight line over the earth's surface — 9,939 miles or 8,637 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.

Is there a non-stop flight between GRU and SIN?

This page calculates the direct-line time and distance; it does not track airline schedules. At 15,995 km the route is at the extreme end of what any airliner can fly non-stop, so a connection is likely. Check an airline or booking site for what is actually scheduled.

What should I expect on a 20h 17m flight?

Anything past six hours is a long-haul flight: expect at least one meal service, a significant time-zone shift, and enough sitting that circulation and hydration start to matter. Cabin altitude, dry air and disrupted sleep do more damage to a training routine than the flight itself.

Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.

See all 10 sites in this family, with what each one answers

Published by

Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.