London to Perth Flight Distance
London Heathrow Airport (LHR) to Perth International Airport (PER)
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 9,009 miles, this ultra-long-haul flight will take approximately 17h 53m. This is one of the world's longest routes. Plan for significant rest and multiple meals on board.
Time Adjustment: Perth is 7 hours ahead of London. Plan for moderate jet lag—give yourself 5 days to adjust before important activities.
Environmental Impact: An economy class seat produces approximately 2175 kg of CO2. Consider carbon offset programs—planting 197 trees could offset this flight.
Complete Flight Analysis
| Metric | Value | Category / Reference |
|---|---|---|
| Distance (Miles) | 9,009 mi | Primary frequent flyer unit |
| Distance (Kilometers) | 14,499 km | International standard |
| Distance (Nautical Miles) | 7,829 nm | Aviation standard |
| Flight Time | 17h 53m | Based on 850 km/h cruise + ground time |
| Route Classification | ULTRA LONG-HAUL | Ultra-long-haul flight (over 12,000 km) |
| Flight Direction | 93° E | East |
| Cruising Altitude | 41,000 ft | FL410 (12,497 m) |
| Time Difference | +7h | Jet lag: moderate |
| CO2 (Economy) | 2175 kg | DEFRA 2024 factors |
| CO2 (Business) | 6307 kg | 2.9x economy |
| CO2 (First Class) | 8699 kg | 4x economy |
| Trees to Offset | 197 | Economy class, per passenger |
| Fuel per Passenger | 435 L | ~78,300 L total (180 pax) |
| Operating Airlines | N/A | May require connection |
Tips for This Route
London Heathrow Airport
London, United Kingdom
Perth International Airport
Perth, Australia
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
- Start adjusting sleep schedule several days before travel
- Avoid alcohol and caffeine during the flight
- Take short naps (20-30 min) if needed
- Eastward travel is harder - try to get morning light
Seat Recommendations
Distance in Perspective
Distance & Speed Reference
| Measurement | Value |
|---|---|
| Statute Miles | 9,009 mi |
| Kilometers | 14,499 km |
| Nautical Miles | 7,829 nm |
| Meters | 14,499,000 m |
| Feet | 47,567,520 ft |
| Flight Time (850 km/h) | 17h 53m |
Travel Speed Comparison
How long would it take to cover the 14,499 km between London and Perth at different speeds?
| Mode | Speed | Time |
|---|---|---|
| Commercial Jet | 850 km/h | 17h 53m |
| Turboprop Aircraft | 500 km/h | 28h 60m |
| Bullet Train | 320 km/h | 45h 19m |
| Car (highway) | 100 km/h | 144h 59m |
| Walking | 5 km/h | 2,900h (121 days) |
| Speed of Sound | 1,235 km/h | 11h 44m |
Round Trip Summary
Quick Facts
Frequently Asked Questions
How far is London from Perth?
The flight distance from London Heathrow Airport (LHR) to Perth International Airport (PER) is 9,009 miles (14,499 km). This is the great circle distance calculated using the Vincenty formula.
How long is the flight?
A direct flight takes approximately 17h 53m. This is a ultra-long-haul flight typically cruising at 41,000 feet (FL410).
What is the time difference?
Perth is 7 hours ahead of London. Expect moderate jet lag with ~5 days recovery time.
What airlines fly this route?
Specific airline information for this route is not available in our database.
What is the carbon footprint?
Economy class: 2175 kg CO2 per passenger. Business class: 6307 kg. First class: 8699 kg. Offset with ~197 trees.
Which seat side is best?
For this East flight, the left side offers the best views away from sun glare. Consider an aisle seat for easier movement on this long flight.
Can I drive from London to Perth instead of flying?
Driving is not practical for this 14,499 km distance, especially across international borders. It would theoretically take over 181 hours of driving. Flying at 17h 53m is the recommended option.
What aircraft typically fly this route?
This ultra-long-haul route is typically served by Airbus A350-900ULR, Boeing 777-200LR, Airbus A380 aircraft. Only the most capable long-range wide-body aircraft can serve routes of this distance non-stop.
How can I offset the carbon from this flight?
An economy class seat on this route produces 2175 kg CO2. You can offset this by planting approximately 197 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.