Map of flight path and driving directions from Boise to Seattle.
Shortest flight path between Boise Airport (BOI) and Seattle Boeing Field (BFI).
How far is Seattle from Boise?
There are several ways to calculate distances between Boise and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 402.284 miles
- 647.413 kilometers
- 349.575 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
- 401.763 miles
- 646.576 kilometers
- 349.123 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 Boise and Seattle is 1 hour. Seattle is 1 hour behind Boise.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 84 kg (186 pounds).
Frequent Flyer Miles Calculator
Boise (BOI) → Seattle (BFI).