Air Miles Calculator

Distance between Seattle, WA (BFI) and Blountville, TN (TRI)

Distance from Seattle to Blountville (Seattle Boeing Field – Blountville Tri-Cities Regional Airport) is 2163 miles / 3480 kilometers / 1879 nautical miles.

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).

Flight duration

Estimated flight time from Seattle Boeing Field (BFI) to Blountville Tri-Cities Regional Airport (TRI) is 4 hours 35 minutes.

Time difference and current local times

The time difference between Seattle and Blountville is 3 hours. Blountville is 3 hours ahead of Seattle.

Time Difference

Seattle
Blountville

Seattle, WA

 PDT

Blountville, TN

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 240 kg (529 pounds).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Blountville Tri-Cities Regional Airport
City: Blountville, TN
Country: United States Flag of United States
IATA Code: TRI
ICAO Code: KTRI
Coordinates: 36°28′30″N, 82°24′26″W

Seattle to Blountville flight path

Shortest flight path between Seattle Boeing Field (BFI) and Blountville Tri-Cities Regional Airport (TRI).

Frequent Flyer Miles Calculator

Seattle (BFI) → Blountville (TRI).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2163
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2163

Round trip?