How far is San Francisco from Boston?
There are several ways to calculate distances between Boston and San Francisco. Here are two common methods:Vincenty's formula (applied above)
- 2704.118 miles
- 4351.856 kilometers
- 2349.814 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 2697.526 miles
- 4341.248 kilometers
- 2344.086 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).
Estimated flight time from Logan International Airport (BOS) to San Francisco International Airport (SFO) is 5 hours 37 minutes.
Time difference and current local times
The time difference between Boston and San Francisco is 3 hours. San Francisco is 3 hours behind Boston.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 320 kg (705 pounds).
Boston to San Francisco flight map.
Frequent Flyer Miles Calculator
Boston (BOS) → San Francisco (SFO).