Part of the data ring
FlyTime
HGH → SIN

Hangzhou to Singapore

4h 57mgate to gate

The flight from Hangzhou Xiaoshan International Airport (HGH) to Singapore Changi Airport (SIN) covers 3,650 km (2,268 miles) and takes approximately 4h 57m gate to gate for a typical jet.

The route heads south-west on an initial great-circle bearing of 211°, passing near 15.9° N, 111.6° E at its midpoint.

Great-circle strip Plate HGH–SIN
4h 57mGATE TO GATE1h 14m3h 43mHGHHangzhouSINSingapore211° SOUTH-WEST1,971 NM09131,8252,7383,650 km

Bearing 211° south-west Midpoint 15.9° N, 111.6° E Model 805 km/h + 25 min

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

Flight time4h 57mestimated, gate to gate
Distance3,650km · 2,268 mi
Nautical1,971nautical miles
Direction211°south-west

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: 3,650 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 4h 32m.
  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: 4h 57m 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.
3,650 km / 805 km/h = 4h 32m airborne
            + 25 min ground = 4h 57m 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.

HGH 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/h6h 38m7h 03m
Narrowbody jet (A320, 737)780 km/h4h 41m5h 06m
Widebody jet (777, 787, A350)900 km/h4h 03m4h 29m
Private jet (Gulfstream)850 km/h4h 18m4h 43m

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

HGHSIN
AirportHangzhou Xiaoshan International AirportSingapore Changi Airport
CityHangzhouSingapore
CountryChinaSingapore
ICAOZSHCWSSS
Coordinates30.2361, 120.42891.3502, 103.994
Elevation23 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 Hangzhou to Singapore?

A non-stop flight from Hangzhou (HGH) to Singapore (SIN) takes about 4h 57m. The great-circle distance is 3,650 km (2,268 miles, 1,971 nautical miles), flying south-west on an initial bearing of 211°.

How far is Hangzhou from Singapore?

3,650 kilometres in a straight line over the earth's surface — 2,268 miles or 1,971 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 HGH and SIN?

This page calculates the direct-line time and distance; it does not track airline schedules. At 3,650 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.

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.