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