London to San Francisco Flight Distance
The London to San Francisco flight distance is approximately 5,367 miles (8,638 km) as the crow flies, measured between London Heathrow (LHR) and San Francisco International Airport (SFO). Nonstop flights cover this route in around 11 hours westbound and about 10.5 hours on the return leg, helped by tailwinds. There is currently no land route between the two cities, so air travel is the only practical option. Use the calculator above to check the distance and flight time between any UK and US city pair.
Flight Distance
~5,367 miles (8,638 km) straight-line distance between London Heathrow and San Francisco International.
Nonstop Flight Time
~11 hours westbound (London to San Francisco), ~10.5 hours eastbound, on direct services.
Time Zone Difference
San Francisco is typically 8 hours behind London, varying slightly around UK/US daylight saving changeover dates.
Nonstop Airlines
British Airways, United Airlines and Virgin Atlantic all fly this route nonstop, with 40+ weekly departures combined.
How to Calculate the Distance Between London and San Francisco
5,367 miles is the straight-line distance between the two main airports. If you're flying from a different UK city or into a different Bay Area airport, the exact figure will vary slightly. Check any specific pair in seconds:
Type London, Manchester, Edinburgh, or any UK city in the "From" field.
Type San Francisco, San Jose, Oakland, or any Bay Area city in the "To" field.
See the exact great-circle distance, flight time estimate, and route map.
Nonstop vs Connecting Flights
Most travellers fly nonstop between London and San Francisco, but connecting options exist for lower fares or different departure airports:
Nonstop (Recommended)
- ~10.5–11 hour flight time
- Operated by British Airways, United, Virgin Atlantic
- Departs London Heathrow, arrives San Francisco Intl (SFO)
One-Stop Connections
- ~14–18 hours total travel time
- Common connections via other US hubs or European cities
- Often cheaper, useful from regional UK airports
Frequently Asked Questions
How far is San Francisco from London?
San Francisco is approximately 5,367 miles (8,638 km) from London as the crow flies, measured between London Heathrow and San Francisco International Airport. Actual flown routes are slightly longer than this straight-line figure due to airway paths.
How long is the flight from London to San Francisco?
Nonstop flights take about 11 hours from London to San Francisco, and around 10.5 hours on the return, since westbound flights face headwinds and eastbound flights get a jet-stream boost.
Is there a direct flight from London to San Francisco?
Yes. British Airways, United Airlines and Virgin Atlantic all operate nonstop flights between London Heathrow and San Francisco International Airport, with roughly 40 or more weekly departures combined.
What is the time difference between London and San Francisco?
San Francisco is typically 8 hours behind London. Because the UK and US switch to daylight saving time on different dates, the gap can briefly shift to 7 or 9 hours for a couple of weeks each spring and autumn.
Can you drive from London to San Francisco?
No. London and San Francisco are separated by the Atlantic Ocean, so there is no road or rail route between them. Air travel is the only practical way to make this journey.
Planning Your London to San Francisco Trip
Flight Planning
Compare nonstop and connecting options to balance price against total travel time on this 11-hour route.
Jet Lag Preparation
With an 8-hour time difference, plan for a day or two to adjust after arrival, especially flying westbound.
Scheduling Calls
Use the time difference to plan calls between UK teams and Bay Area offices — mid-morning UK time works well for both.
Shipping & Freight
Businesses use this distance figure to estimate air-freight timelines between the UK and Northern California.
Other Popular Distances from London
Travelling within the UK before your flight? Check our UK distance calculator for routes between British cities.