Porto to Sydney (Mascot)
22h 52mgate to gate
The flight from Francisco de Sá Carneiro Airport (OPO) to Sydney Kingsford Smith International Airport (SYD) covers 18,070 km (11,228 miles) and takes approximately 22h 52m gate to gate for a typical jet.
The route heads east on an initial great-circle bearing of 72°, passing near 19.4° N, 86.7° E at its midpoint.
Bearing 72° east Midpoint 19.4° N, 86.7° E Model 805 km/h + 25 min
SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026
How this is worked out
- Take both airports' published coordinates from OurAirports — nothing here is scraped from another flight site.
- Great-circle distance by haversine on a mean earth radius of 6,371.0088 km: 18,070 km.
- Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 22h 27m.
- Add a flat 25 minutes for pushback, taxi, climb, descent and taxi-in — the reason a 400 km hop is never half an hour: 22h 52m gate to gate.
- Winds, aircraft type and airline schedule padding are not modelled. The cruise-speed table shows how much that assumption is worth.
18,070 km / 805 km/h = 22h 27m airborne
+ 25 min ground = 22h 52m gate to gate
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.
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 of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 32h 51m | 33h 16m |
| Narrowbody jet (A320, 737) | 780 km/h | 23h 10m | 23h 35m |
| Widebody jet (777, 787, A350) | 900 km/h | 20h 05m | 20h 30m |
| Private jet (Gulfstream) | 850 km/h | 21h 16m | 21h 41m |
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
| OPO | SYD | |
|---|---|---|
| Airport | Francisco de Sá Carneiro Airport | Sydney Kingsford Smith International Airport |
| City | Porto | Sydney (Mascot) |
| Country | Portugal | Australia |
| ICAO | LPPR | YSSY |
| Coordinates | 41.2481, -8.6814 | -33.9461, 151.177 |
| Elevation | 228 ft | 21 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 Porto to Sydney (Mascot)?
A non-stop flight from Porto (OPO) to Sydney (Mascot) (SYD) takes about 22h 52m. The great-circle distance is 18,070 km (11,228 miles, 9,757 nautical miles), flying east on an initial bearing of 72°.
How far is Porto from Sydney (Mascot)?
18,070 kilometres in a straight line over the earth's surface — 11,228 miles or 9,757 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 OPO and SYD?
This page calculates the direct-line time and distance; it does not track airline schedules. At 18,070 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 22h 52m 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.
