Map of flight path and driving directions from Seattle to San Diego.
Shortest flight path between Seattle–Tacoma International Airport (SEA) and San Diego International Airport (SAN).
How far is San Diego from Seattle?
There are several ways to calculate distances between Seattle and San Diego. Here are two common methods:Vincenty's formula (applied above)
- 1050.293 miles
- 1690.283 kilometers
- 912.680 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
- 1051.515 miles
- 1692.250 kilometers
- 913.742 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).
Time difference and current local times
There is no time difference between Seattle and San Diego.
San Diego, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 154 kg (339 pounds).
Frequent Flyer Miles Calculator
Seattle (SEA) → San Diego (SAN).