Map of flight path and driving directions from Seattle to Boise.
Shortest flight path between Seattle Boeing Field (BFI) and Boise Airport (BOI).
How far is Boise from Seattle?
There are several ways to calculate distances between Seattle and Boise. 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 Seattle and Boise is 1 hour. Boise is 1 hour ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 84 kg (186 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Boise (BOI).