Flying time estimate for a non-stop flight: 9h 54m over 7,394 km.

Flight Duration
9h 54m
non-stop estimate
Distance
7,394 km
4,595 miles
Time Difference
−2 to −3h
UTC+10/+11 → UTC+8
[ SYD → HKG — Route Info ]

A non-stop flight from Sydney, Australia (SYD) to Hong Kong, Hong Kong (HKG) would cover approximately 7,394 km (4,595 miles) along the great-circle route, with an estimated flight duration of 9 hours and 54 minutes.

Non-stop service: Cathay Pacific and Qantas list a non-stop service on this route (source: Cathay Pacific, Qantas; checked 18 Oct 2026). Cathay Pacific: “direct flights from Sydney … to Hong Kong … take around 9 hours”. Qantas lists “Hong Kong and Sydney”. The 9h 54m above is our computed estimate, not the airline’s schedule.

Example routings (distances computed, not schedules)
ViaLeg 1Leg 2Total distanceFlying time (excl. connection)
Singapore (SIN)6,293 km · ~8h39m2,566 km · ~4h25m8,859 km~13.1 h
Manila (MNL)6,263 km · ~8h37m1,146 km · ~2h48m7,409 km~11.4 h
Taipei (TPE)7,285 km · ~9h47m806 km · ~2h25m8,091 km~12.2 h

Add your connection time. Total journey time = flying time + time on the ground at the hub. Your itinerary shows the exact figure.

    Hong Kong is 2–3 hours behind Sydney, depending on daylight saving. Set your watch back on arrival.

    These estimates assume a typical commercial cruising speed of 880 km/h and include standard time for taxi, climb and descent. Actual scheduled times can differ by an hour or more on long routes, depending on airline, routing, aircraft and winds.

    Time zones & arrival

    Time shift: Hong Kong is between 2 and 3 hours behind Sydney, depending on the time of year (Sydney uses daylight saving and Hong Kong does not). On the shortest (great-circle) route you fly west, so clocks go back on arrival.

    Time difference pages →

    These are clock facts only, not health advice.

    Related

    Sources

    Route record checked by hand on 18 Oct 2026. One-stop figures are computed from airport coordinates with the site formula (880 km/h + 1.5 h per leg) and exclude connection time.

    Common Questions
    How long is the flight from Sydney to Hong Kong?
    Cathay Pacific and Qantas list a non-stop service from Sydney to Hong Kong (checked 18 Oct 2026). Our non-stop flying-time estimate is about 9h 54m over 7,394 km (4,594 miles), including standard taxi, climb and descent time. Check the airline’s timetable for the exact time on your dates.
    What is the time difference between Sydney and Hong Kong?
    Sydney uses UTC+10, or UTC+11 during daylight saving; Hong Kong uses UTC+8 all year. Hong Kong is 2–3 hours behind Sydney, depending on daylight saving. Set your watch back on arrival.
    How far is Sydney from Hong Kong?
    The great-circle distance — the shortest path along Earth's surface — from Sydney to Hong Kong is approximately 7,394 km (4,595 miles). This is the actual distance your aircraft travels through the air.
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