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Salt Lake City–Seattle | SLC–BFI
Calculations with different methods
- 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).
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
Salt Lake City to Seattle flight map.
Frequent Flyer Miles Calculator
Salt Lake City (SLC) → Seattle (BFI).