London, United Kingdom → San Francisco, United States · ✈ 11h 16min · 🚗 140h 1min
4,652 nautical miles · Time difference: -8h behind · Direction: southwest
The distance from London to San Francisco is 8,616 km (5,354 miles). The fastest way to travel is by flight. A direct flight takes approximately 11h 16min.
The straight-line distance from London, United Kingdom to San Francisco, United States is approximately 8,616 kilometers (5,354 miles or 4,652 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
San Francisco is located southwest of London. London is in Europe, in the England region of United Kingdom, while San Francisco is in North America, in West Coast, United States. This intercontinental route spans from Europe to North America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 8,616 km | ~11h 16min | Best option for speed |
Our recommendation: flight is typically the best way to travel from London to San Francisco. For 8,616 km, flying saves significant time and is usually the most practical choice.
London sits at 51.5074°N, 0.1278°W, while San Francisco is located at 37.7749°N, 122.4194°W. The initial compass bearing from London to San Francisco is 317° (NW), so a great-circle flight path leaves London 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 13.73° and the longitude difference is 122.29°. 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 London and San Francisco is approximately 63.4387°N, 73.4526°W. This is the great-circle halfway position — the spot where you would be exactly 4,308 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.
San Francisco is roughly 8 hours behind London. When it is 09:00 in London, it is approximately 01:00 in San Francisco. 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.
London uses the Pound Sterling (GBP), while San Francisco uses the US Dollar (USD). 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.
London is a major city in United Kingdom with a population of approximately 8,982,000. Located in the England region, it is an important hub in Europe. As one of the largest cities in United Kingdom, London is a major international gateway with extensive air connections and multiple airports.
→ See all distances from London
San Francisco is a notable city in United States with a population of approximately 873,965. Situated in the West Coast region, it serves as a key destination in North America. San Francisco is a popular destination in the West Coast region of United States, known for its unique character and attractions.
→ See all distances from San Francisco
At 8,616 km, this is one of the longer routes on the globe, spanning from Europe to North America. For comparison, London to Sydney is about 17,000 km — roughly half the circumference of the Earth.
At 8,616 km, London to San Francisco is one of the world's longer routes, covering 21.5% of Earth's circumference (40,075 km).
This route crosses from Europe to North America, spanning 8 timezones.
This 8,616 km journey from Europe to North America 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 London to San Francisco is approximately 8,616 kilometers (5,354 miles, 4,652 nautical miles).
A direct flight takes approximately 11h 16min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 140h 1min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
San Francisco is approximately -8h behind compared to London.
The estimated road distance is approximately 11,201 km, which is about 30% longer than the 8,616 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 30, 2026.