Singapore to Hong Kong Flight Distance
Singapore Changi Airport (SIN) to Hong Kong International Airport (HKG)
Primary sources · 6
- [1] Vincenty (1975) — Direct and Inverse Solutions of Geodesics on the Ellipsoid — the iterative formula used for distance · Survey Review XXIII (176), pp. 88–93 · April 1975 https://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf
- [2] NGA.STND.0036_1.0.0_WGS84 — WGS-84 reference ellipsoid (a = 6,378,137 m, 1/f = 298.257223563) · NGA Standard · July 2014 https://earth-info.nga.mil/index.php?dir=wgs84&action=wgs84
- [3] DESNZ 2024 conversion factors — Per-km kg CO₂e factors for the three distance bands and four cabin classes · UK Department for Energy Security and Net Zero · June 2024 https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2024
- [4] Lee et al. (2021) — Effective radiative forcing of aviation — the science behind the 1.9 × CO₂ → CO₂e uplift · Atmospheric Environment 244, 117834 · January 2021 https://doi.org/10.1016/j.atmosenv.2020.117834
- [5] OpenFlights — Airport coordinates and IATA codes · openflights.org/data.php · Community-maintained https://openflights.org/data.php
- [6] Sack (2010) — Jet-lag review — clinical chronobiology and asymmetric recovery rates · New England Journal of Medicine 362:440 · February 2010 https://www.nejm.org/doi/full/10.1056/NEJMcp0909838
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Your Route Summary
What This Means For Your Trip
Flight Duration: At 1,588 miles, this medium-haul flight will take approximately 3h 40m. Consider bringing a book or downloading entertainment for the journey.
Time Adjustment: Hong Kong is 0 hours ahead of Singapore. You should experience minimal jet lag.
Environmental Impact: An economy class seat produces approximately 399 kg of CO2. Consider carbon offset programs if environmental impact is a concern.
Flight Options: 8 airlines serve this route, giving you options for schedule and price comparison.
Complete Flight Analysis
| Metric | Value | Category / Reference |
|---|---|---|
| Distance (Miles) | 1,588 mi | Primary frequent flyer unit |
| Distance (Kilometers) | 2,555 km | International standard |
| Distance (Nautical Miles) | 1,380 nm | Aviation standard |
| Flight Time | 3h 40m | Based on 850 km/h cruise + ground time |
| Route Classification | MEDIUM HAUL | Medium-haul flight (1,500 - 4,000 km) |
| Flight Direction | 24° NNE | North-Northeast |
| Cruising Altitude | 37,000 ft | FL370 (11,278 m) |
| Time Difference | +0h | Jet lag: none |
| CO2 (Economy) | 399 kg | DEFRA 2024 factors |
| CO2 (Business) | 1156 kg | 2.9x economy |
| CO2 (First Class) | 1594 kg | 4x economy |
| Trees to Offset | 37 | Economy class, per passenger |
| Fuel per Passenger | 77 L | ~13,860 L total (180 pax) |
| Operating Airlines | 8 | Direct flights available |
Tips for This Route
Singapore Changi Airport
Singapore, Singapore
Hong Kong International Airport
Hong Kong, Hong Kong
Airlines Flying This Route
8 airlines operate flights between Singapore and Hong Kong.
Flight Details
Flight Midpoint
The geographic midpoint of this flight is located at:
Carbon Emissions by Cabin Class
CO2 emissions vary by cabin class due to seat space allocation. Based on DEFRA 2024 emission factors.
Jet Lag & Travel Tips
- Minimal time difference - jet lag unlikely
Seat Recommendations
Distance in Perspective
Distance & Speed Reference
| Measurement | Value |
|---|---|
| Statute Miles | 1,588 mi |
| Kilometers | 2,555 km |
| Nautical Miles | 1,380 nm |
| Meters | 2,555,000 m |
| Feet | 8,384,640 ft |
| Flight Time (850 km/h) | 3h 40m |
| Driving Time (80 km/h avg) | 4 days (32 hours) |
Travel Speed Comparison
How long would it take to cover the 2,555 km between Singapore and Hong Kong at different speeds?
| Mode | Speed | Time |
|---|---|---|
| Commercial Jet | 850 km/h | 3h 40m |
| Turboprop Aircraft | 500 km/h | 5h 7m |
| Bullet Train | 320 km/h | 7h 59m |
| Car (highway) | 100 km/h | 25h 33m |
| Walking | 5 km/h | 511h (21 days) |
| Speed of Sound | 1,235 km/h | 2h 4m |
Round Trip Summary
Quick Facts
Routes from SIN
View all routesFrequently Asked Questions
How far is Singapore from Hong Kong?
The flight distance from Singapore Changi Airport (SIN) to Hong Kong International Airport (HKG) is 1,588 miles (2,555 km). This is the great circle distance calculated using the Vincenty formula.
How long is the flight?
A direct flight takes approximately 3h 40m. This is a medium-haul flight typically cruising at 37,000 feet (FL370).
What is the time difference?
Hong Kong is 0 hours ahead of Singapore.
What airlines fly this route?
8 airlines operate this route: Air India Limited, Cathay Pacific, Jetstar Asia Airways and 5 more.
What is the carbon footprint?
Economy class: 399 kg CO2 per passenger. Business class: 1156 kg. First class: 1594 kg. Offset with ~37 trees.
Which seat side is best?
For this North-Northeast flight, the right side offers the best views away from sun glare.
Can I drive from Singapore to Hong Kong instead of flying?
While driving is technically possible at 2,555 km, it would take approximately 32 hours of non-stop driving. Flying saves you significant time, reducing travel to just 3h 40m.
What aircraft typically fly this route?
This medium-haul route is typically served by Airbus A321, Boeing 737 MAX, Airbus A320neo aircraft. A mix of narrow-body and wide-body aircraft may operate this route depending on demand.
How can I offset the carbon from this flight?
An economy class seat on this route produces 399 kg CO2. You can offset this by planting approximately 37 trees, purchasing verified carbon credits through programs like Gold Standard or Verra, or supporting renewable energy projects. Many airlines also offer built-in carbon offset options during booking.
External Resources & References
Learn more about the airports, aviation data, and carbon emissions methodology used in this calculation.