Map of flight path and driving directions from San Francisco to San Salvador.
Shortest flight path between San Francisco International Airport (SFO) and El Salvador International Airport (SAL).
How far is San Salvador from San Francisco?
There are several ways to calculate distances between San Francisco and San Salvador. Here are two common methods:Vincenty's formula (applied above)
- 2639.695 miles
- 4248.177 kilometers
- 2293.832 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
- 2640.747 miles
- 4249.870 kilometers
- 2294.746 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
The time difference between San Francisco and San Salvador is 1 hour. San Salvador is 1 hour ahead of San Francisco.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 292 kg (643 pounds).
Frequent Flyer Miles Calculator
San Francisco (SFO) → San Salvador (SAL).