There are several ways to calculate the distance from San Francisco to London. Here are two standard methods:
Vincenty's formula (applied above)
4664.271 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
4652.273 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from San Francisco to London?
The estimated flight time from San Francisco International Airport to London Heathrow Airport is
10 hours and 39 minutes.
What is the time difference between San Francisco and London?
The time difference between San Francisco and London is 8 hours. London is 8 hours ahead of San Francisco.
Flight carbon footprint between San Francisco International Airport (SFO) and London Heathrow Airport (LHR)
On average, flying from San Francisco to London generates about 632 kg of CO2 per passenger, and 632 kilograms equals 1 393 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from San Francisco to London
See the map of the shortest flight path between San Francisco International Airport (SFO) and London Heathrow Airport (LHR).