How far is Seattle, WA, from San Francisco, CA?
The distance between San Francisco (San Francisco International Airport) and Seattle (Seattle Boeing Field) is 684 miles / 1101 kilometers / 594 nautical miles.
The driving distance from San Francisco (SFO) to Seattle (BFI) is 812 miles / 1307 kilometers, and travel time by car is about 15 hours 40 minutes.
San Francisco International Airport – Seattle Boeing Field
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Distance from San Francisco to Seattle
There are several ways to calculate the distance from San Francisco to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 684.115 miles
- 1100.977 kilometers
- 594.480 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 684.795 miles
- 1102.070 kilometers
- 595.070 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).
How long does it take to fly from San Francisco to Seattle?
The estimated flight time from San Francisco International Airport to Seattle Boeing Field is 1 hour and 47 minutes.
What is the time difference between San Francisco and Seattle?
There is no time difference between San Francisco and Seattle.
Flight carbon footprint between San Francisco International Airport (SFO) and Seattle Boeing Field (BFI)
On average, flying from San Francisco to Seattle generates about 123 kg of CO2 per passenger, and 123 kilograms equals 271 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Francisco to Seattle
See the map of the shortest flight path between San Francisco International Airport (SFO) and Seattle Boeing Field (BFI).
Airport information
| Origin | 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 |
| Destination | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |