Distance from San Francisco to Boston
4,349 km · 2,702 miles as the crow flies, about 5 h 56 min by air.
37.7400°, -122.4600° · America/Los Angeles
42.3300°, -71.0700° · America/New York
WGS-84 ellipsoid (Vincenty). Spherical haversine gives 4,338 km. Flight time assumes 800 km/h cruise + 30 min for taxi, climb and descent.
San Francisco to Boston at a glance
| Straight-line distance | 4,349 km / 2,702 mi / 2,348 nmi |
|---|---|
| Estimated flight time | 5 h 56 min |
| Initial bearing | 67° (ENE) |
| Halfway point | 42.991°, -97.693° |
| San Francisco coordinates | 37.74°, -122.46° |
| Boston coordinates | 42.33°, -71.07° |
Time difference: San Francisco and Boston. Local time: San Francisco · Boston. Sun times: sunrise and sunset in Boston.
More routes from San Francisco
Frequently asked questions
How far is San Francisco from Boston?
4,349 km (2,702 miles, 2,348 nautical miles) in a straight line over the Earth’s surface, measured between the city centres on the WGS-84 ellipsoid.
How long is the flight from San Francisco to Boston?
About 5 h 56 min in still air (800 km/h cruise plus 30 minutes for taxi, climb and descent). Scheduled flights vary with winds and routing, and connecting itineraries take longer.
Which direction is Boston from San Francisco?
The great-circle route leaves San Francisco on an initial bearing of 67° (ENE). The halfway point is near 42.99°, -97.69°.