Air Miles Calculator

Distance between San Francisco, CA (SFO) and Seattle, WA (SEA)

Distance from San Francisco to Seattle (San Francisco International Airport – Seattle–Tacoma International Airport) is 679 miles / 1092 kilometers / 590 nautical miles.

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).

Flight duration

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.

Time Difference

San Francisco
Seattle

San Francisco, CA

 PDT

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 122 kg (269 pounds).

Airport information


A San Francisco International Airport
City: San Francisco, CA
Country: United States Flag of United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W

B Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

San Francisco to Seattle flight path

Shortest flight path between San Francisco International Airport (SFO) and Seattle–Tacoma International Airport (SEA).

Frequent Flyer Miles Calculator

San Francisco (SFO) → Seattle (SEA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
679
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
679

Round trip?