How far is Boston from San Francisco?
There are several ways to calculate distances between San Francisco and Boston. 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 San Francisco International Airport (SFO) to Logan International Airport (BOS) is 5 hours 37 minutes.
Time difference and current local times
The time difference between San Francisco and Boston is 3 hours. Boston is 3 hours ahead of San Francisco.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 304 kg (670 pounds).
San Francisco to Boston flight map.
Frequent Flyer Miles Calculator
San Francisco (SFO) → Boston (BOS).