How far is Seattle from San Francisco?
There are several ways to calculate distances between San Francisco and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 678.518 miles
- 1091.968 kilometers
- 589.616 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
- 679.197 miles
- 1093.061 kilometers
- 590.206 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 Seattle–Tacoma International Airport (SEA) is 1 hour 47 minutes.
Time difference and current local times
There is no time difference between San Francisco and Seattle.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 122 kg (269 pounds).
San Francisco to Seattle flight map.
Frequent Flyer Miles Calculator
San Francisco (SFO) → Seattle (SEA).