Part of the data ring
FlyTime
JNB → SIN

Johannesburg to Singapore

11h 10mgate to gate

The flight from O.R. Tambo International Airport (JNB) to Singapore Changi Airport (SIN) covers 8,656 km (5,378 miles) and takes approximately 11h 10m gate to gate for a typical jet.

The route heads east on an initial great-circle bearing of 82°, passing near 15.5° S, 68.5° E at its midpoint.

Great-circle strip Plate JNB–SIN
11h 10mGATE TO GATE2h 48m8h 23mJNBJohannesburgSINSingapore82° EAST4,674 NM02,1644,3286,4928,656 km

Bearing 82° east Midpoint 15.5° S, 68.5° E Model 805 km/h + 25 min

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

Flight time11h 10mestimated, gate to gate
Distance8,656km · 5,378 mi
Nautical4,674nautical miles
Direction82°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: 8,656 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 10h 45m.
  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: 11h 10m 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.
8,656 km / 805 km/h = 10h 45m airborne
            + 25 min ground = 11h 10m 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.

JNB 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/h15h 44m16h 09m
Narrowbody jet (A320, 737)780 km/h11h 06m11h 31m
Widebody jet (777, 787, A350)900 km/h9h 37m10h 02m
Private jet (Gulfstream)850 km/h10h 11m10h 36m

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

JNBSIN
AirportO.R. Tambo International AirportSingapore Changi Airport
CityJohannesburgSingapore
CountrySouth AfricaSingapore
ICAOFAORWSSS
Coordinates-26.1401, 28.24681.3502, 103.994
Elevation5,558 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 Johannesburg to Singapore?

A non-stop flight from Johannesburg (JNB) to Singapore (SIN) takes about 11h 10m. The great-circle distance is 8,656 km (5,378 miles, 4,674 nautical miles), flying east on an initial bearing of 82°.

How far is Johannesburg from Singapore?

8,656 kilometres in a straight line over the earth's surface — 5,378 miles or 4,674 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 JNB and SIN?

This page calculates the direct-line time and distance; it does not track airline schedules. At 8,656 km the route is comfortably within range of a non-stop service if an airline chooses to fly it. Check an airline or booking site for what is actually scheduled.

What should I expect on a 11h 10m 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.