Map of flight path and driving directions from Seattle to Blountville.
Shortest flight path between Seattle Boeing Field (BFI) and Blountville Tri-Cities Regional Airport (TRI).
How far is Blountville from Seattle?
There are several ways to calculate distances between Seattle and Blountville. Here are two common methods:Vincenty's formula (applied above)
- 2162.667 miles
- 3480.476 kilometers
- 1879.307 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
- 2158.028 miles
- 3473.009 kilometers
- 1875.275 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 Blountville is 3 hours. Blountville is 3 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 236 kg (520 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Blountville (TRI).