London to Tokyo Flight Distance
London Heathrow Airport (LHR) to Tokyo Haneda International Airport (HND)
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 5,975 miles, this long-haul flight will take approximately 12h 9m. Plan for a substantial flight with meals, entertainment, and rest time.
Time Adjustment: Tokyo is 8 hours ahead of London. Plan for moderate jet lag—give yourself 6 days to adjust before important activities.
Environmental Impact: An economy class seat produces approximately 1442 kg of CO2. Consider carbon offset programs—planting 131 trees could offset this flight.
Flight Options: 4 airlines serve this route, giving you options for schedule and price comparison.
Complete Flight Analysis
| Metric | Value | Category / Reference |
|---|---|---|
| Distance (Miles) | 5,975 mi | Primary frequent flyer unit |
| Distance (Kilometers) | 9,615 km | International standard |
| Distance (Nautical Miles) | 5,192 nm | Aviation standard |
| Flight Time | 12h 9m | Based on 850 km/h cruise + ground time |
| Route Classification | LONG HAUL | Long-haul flight (4,000 - 12,000 km) |
| Flight Direction | 31° NNE | North-Northeast |
| Cruising Altitude | 41,000 ft | FL410 (12,497 m) |
| Time Difference | +8h | Jet lag: moderate |
| CO2 (Economy) | 1442 kg | DEFRA 2024 factors |
| CO2 (Business) | 4183 kg | 2.9x economy |
| CO2 (First Class) | 5769 kg | 4x economy |
| Trees to Offset | 131 | Economy class, per passenger |
| Fuel per Passenger | 288 L | ~51,840 L total (180 pax) |
| Operating Airlines | 4 | Direct flights available |
Tips for This Route
London Heathrow Airport
London, United Kingdom
Tokyo Haneda International Airport
Tokyo, Japan
Airlines Flying This Route
4 airlines operate flights between London and Tokyo.
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 | 5,975 mi |
| Kilometers | 9,615 km |
| Nautical Miles | 5,192 nm |
| Meters | 9,615,000 m |
| Feet | 31,548,000 ft |
| Flight Time (850 km/h) | 12h 9m |
Travel Speed Comparison
How long would it take to cover the 9,615 km between London and Tokyo at different speeds?
| Mode | Speed | Time |
|---|---|---|
| Commercial Jet | 850 km/h | 12h 9m |
| Turboprop Aircraft | 500 km/h | 19h 14m |
| Bullet Train | 320 km/h | 30h 3m |
| Car (highway) | 100 km/h | 96h 9m |
| Walking | 5 km/h | 1,923h (80 days) |
| Speed of Sound | 1,235 km/h | 7h 47m |
Round Trip Summary
Quick Facts
Frequently Asked Questions
How far is London from Tokyo?
The flight distance from London Heathrow Airport (LHR) to Tokyo Haneda International Airport (HND) is 5,975 miles (9,615 km). This is the great circle distance calculated using the Vincenty formula.
How long is the flight?
A direct flight takes approximately 12h 9m. This is a long-haul flight typically cruising at 41,000 feet (FL410).
What is the time difference?
Tokyo is 8 hours ahead of London. Expect moderate jet lag with ~6 days recovery time.
What airlines fly this route?
4 airlines operate this route: All Nippon Airways, British Airways, Japan Airlines Domestic and 1 more.
What is the carbon footprint?
Economy class: 1442 kg CO2 per passenger. Business class: 4183 kg. First class: 5769 kg. Offset with ~131 trees.
Which seat side is best?
For this North-Northeast flight, the right 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 Tokyo instead of flying?
Driving is not practical for this 9,615 km distance, especially across international borders. It would theoretically take over 120 hours of driving. Flying at 12h 9m is the recommended option.
What aircraft typically fly this route?
This long-haul route is typically served by Boeing 777, Airbus A350, Boeing 787 Dreamliner aircraft. Wide-body aircraft are standard for this distance, offering more comfort for the longer journey.
How can I offset the carbon from this flight?
An economy class seat on this route produces 1442 kg CO2. You can offset this by planting approximately 131 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.