How far is Seattle from Salt Lake City?
There are several ways to calculate distances between Salt Lake City and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 691.714 miles
- 1113.205 kilometers
- 601.083 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
- 690.903 miles
- 1111.901 kilometers
- 600.378 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).
Estimated flight time from Salt Lake City International Airport (SLC) to Boeing Field (BFI) is 1 hour 48 minutes.
Time difference and current local times
The time difference between Salt Lake City and Seattle is 1 hour. Seattle is 1 hour behind Salt Lake City.
Salt Lake City, UT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 124 kg (273 pounds).
Salt Lake City to Seattle flight map.
Frequent Flyer Miles Calculator
Salt Lake City (SLC) → Seattle (BFI).