Part of the data ring
FlyTime
HKG → CNS

Hong Kong to Cairns

7h 20mgate to gate

The flight from Hong Kong International Airport (HKG) to Cairns International Airport (CNS) covers 5,567 km (3,459 miles) and takes approximately 7h 20m gate to gate for a typical jet.

The route heads south-east on an initial great-circle bearing of 139°, passing near 2.8° N, 130.1° E at its midpoint.

Great-circle strip Plate HKG–CNS
7h 20mGATE TO GATE1h 50m5h 30mHKGHong KongCNSCairns139° SOUTH-EAST3,006 NM01,3922,7844,1755,567 km

Bearing 139° south-east Midpoint 2.8° N, 130.1° E Model 805 km/h + 25 min

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

Flight time7h 20mestimated, gate to gate
Distance5,567km · 3,459 mi
Nautical3,006nautical miles
Direction139°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: 5,567 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 6h 55m.
  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: 7h 20m 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.
5,567 km / 805 km/h = 6h 55m airborne
            + 25 min ground = 7h 20m 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.

HKG CNS

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/h10h 07m10h 33m
Narrowbody jet (A320, 737)780 km/h7h 08m7h 33m
Widebody jet (777, 787, A350)900 km/h6h 11m6h 36m
Private jet (Gulfstream)850 km/h6h 33m6h 58m

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

HKGCNS
AirportHong Kong International AirportCairns International Airport
CityHong KongCairns
CountryHong KongAustralia
ICAOVHHHYBCS
Coordinates22.3118, 113.9149-16.8789, 145.7495
Elevation28 ft10 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 Hong Kong to Cairns?

A non-stop flight from Hong Kong (HKG) to Cairns (CNS) takes about 7h 20m. The great-circle distance is 5,567 km (3,459 miles, 3,006 nautical miles), flying south-east on an initial bearing of 139°.

How far is Hong Kong from Cairns?

5,567 kilometres in a straight line over the earth's surface — 3,459 miles or 3,006 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 HKG and CNS?

This page calculates the direct-line time and distance; it does not track airline schedules. At 5,567 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 7h 20m 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.

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Published by

Amit Sharma

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