Distance between San Francisco, CA (SFO) and Boston, MA (BOS)
Distance from San Francisco to Boston (San Francisco International Airport – Logan International Airport) is 2704 miles / 4352 kilometers / 2350 nautical miles.
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San Francisco - Boston
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).
Flight duration
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.
Time Difference
San Francisco, CA
Boston, MA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 304 kg (670 pounds).
Airport information
| A | San Francisco International Airport |
|---|---|
| City: | San Francisco, CA |
| Country: | United States  |
| IATA Code: | SFO |
| ICAO Code: | KSFO |
| Coordinates: | 37°37′8″N, 122°22′30″W |
| B | Logan International Airport |
|---|---|
| City: | Boston, MA |
| Country: | United States |
| IATA Code: | BOS |
| ICAO Code: | KBOS |
| Coordinates: | 42°21′51″N, 71°0′18″W |
San Francisco to Boston flight path
Shortest flight path between San Francisco International Airport (SFO) and Logan International Airport (BOS).
Frequent Flyer Miles Calculator
San Francisco (SFO) → Boston (BOS).
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