Perth, Australia → London, United Kingdom · ✈ 18h 36min
7,818 nautical miles · Time difference: -8h behind · Direction: northwest
The distance from Perth to London is 14,479 km (8,997 miles). The fastest way to travel is by flight. A direct flight takes approximately 18h 36min.
The straight-line distance from Perth, Australia to London, United Kingdom is approximately 14,479 kilometers (8,997 miles or 7,818 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
London is located northwest of Perth. Perth is in Oceania, in the Western Australia region of Australia, while London is in Europe, in England, United Kingdom. This intercontinental route spans from Oceania to Europe.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 14,479 km | ~18h 36min | Best option for speed |
Our recommendation: flight is typically the best way to travel from Perth to London. For 14,479 km, flying saves significant time and is usually the most practical choice.
Perth sits at 31.9505°S, 115.8605°E, while London is located at 51.5074°N, 0.1278°W. The initial compass bearing from Perth to London is 313° (NW), so a great-circle flight path leaves Perth heading roughly NW. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 83.46° and the longitude difference is 115.99°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between Perth and London is approximately 17.5242°N, 71.6828°E. This is the great-circle halfway position — the spot where you would be exactly 7,240 km from each city. On long-haul flights this point usually falls over open ocean or remote terrain, which is why in-flight maps often look "empty" mid-route.
London is roughly 8 hours behind Perth. When it is 09:00 in Perth, it is approximately 01:00 in London. A time difference of 8 hours typically produces noticeable jet lag — most travelers need about one recovery day per time zone crossed. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Perth uses the Australian Dollar (AUD), while London uses the Pound Sterling (GBP). Plan to exchange currency before departure or use a low-fee travel card on arrival — airport rates are typically the worst available. Both destinations share English as a primary language, simplifying signage, transit, and everyday interactions.
Perth is a major city in Australia with a population of approximately 2,085,973. Located in the Western Australia region, it is an important hub in Oceania. Perth is a significant metropolitan area in Australia with good domestic and international transport connections.
→ See all distances from Perth
London is a notable city in United Kingdom with a population of approximately 8,982,000. Situated in the England region, it serves as a key destination in Europe. London is one of United Kingdom's largest cities, offering major airport hubs, extensive public transport, and a wide range of accommodation options.
→ See all distances from London
At 14,479 km, this is one of the longer routes on the globe, spanning from Oceania to Europe. For comparison, London to Sydney is about 17,000 km — roughly half the circumference of the Earth.
At 14,479 km, Perth to London is one of the world's longer routes, covering 36.1% of Earth's circumference (40,075 km).
Combined, Perth and London have a population of over 11,067,973 people, making this a major urban corridor.
This route crosses from Oceania to Europe, spanning 8 timezones.
This 14,479 km journey from Oceania to Europe is one of the world's longer routes. At this distance, jet lag becomes a significant factor — plan for at least one recovery day per 3 time zones crossed.
The straight-line distance from Perth to London is approximately 14,479 kilometers (8,997 miles, 7,818 nautical miles).
A direct flight takes approximately 18h 36min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 235h 17min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
London is approximately -8h behind compared to Perth.
The estimated road distance is approximately 18,823 km, which is about 30% longer than the 14,479 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: August 5, 2026.