BOS
Boston
United States
4,341 km
2,698 miles
SFO
San Francisco
United States
Distance
4,341 km
2,698 mi / 2,344 nm
Est. Flight Time
6h
Long-haul route
Time Difference
-3h
America/New_York
Heading
281°
west

Airport Comparison

BOS SFO
Airport Name General Edward Lawrence Logan International Airport San Francisco International Airport
IATA Code BOS SFO
ICAO Code KBOS KSFO
City Boston San Francisco
Country United States United States
Timezone America/New_York America/Los_Angeles
Elevation 19 ft 13 ft
Coordinates 42.360000, -71.010000 37.620000, -122.380000

Boston (BOS) to San Francisco (SFO) Flight Distance

The flight distance from General Edward Lawrence Logan International Airport (BOS) in Boston, United States to San Francisco International Airport (SFO) in San Francisco, United States is 4,341 kilometers (2,698 miles / 2,344 nautical miles). The estimated flight time for this route is approximately 6h, flying west at a heading of 281°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 3-hour time difference between the two cities.

Time zone information: When it's 02:05 in Boston, it's 23:05 in San Francisco. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from San Francisco (SFO) to Boston (BOS) follows a heading of 66° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the General Edward Lawrence Logan International Airport (BOS) and San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.

Calculate Flight Time Between Airports

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