Air Miles Calculator

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

Distance from Seattle to San Francisco (Seattle–Tacoma International Airport – San Francisco International Airport) is 679 miles / 1092 kilometers / 590 nautical miles. Estimated flight time is 1 hour 47 minutes.

Driving distance from Seattle (SEA) to San Francisco (SFO) is 807 miles / 1299 kilometers and travel time by car is about 14 hours 47 minutes.

Map of flight path and driving directions from Seattle to San Francisco.

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

How far is San Francisco from Seattle?

There are several ways to calculate distances between Seattle and San Francisco. 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).

Airport information


A 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

B 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

Time difference and current local times

There is no time difference between Seattle and San Francisco.

Time Difference

Seattle, WA

 PDT

San Francisco, CA

 PDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Seattle (SEA) → San Francisco (SFO).

Air miles:
679
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
679

Round trip?