Air Miles Calculator

Distance between Chattanooga, TN (CHA) and Blountville, TN (TRI)

Flight distance from Chattanooga to Blountville (Chattanooga Metropolitan Airport – Blountville Tri-Cities Regional Airport) is 186 miles / 299 kilometers / 162 nautical miles. Estimated flight time is 51 minutes.

Driving distance from Chattanooga (CHA) to Blountville (TRI) is 202 miles / 325 kilometers and travel time by car is about 3 hours 33 minutes.

Map of flight path and driving directions from Chattanooga to Blountville.

Shortest flight path between Chattanooga Metropolitan Airport (CHA) and Blountville Tri-Cities Regional Airport (TRI).

How far is Blountville from Chattanooga?

There are several ways to calculate distances between Chattanooga and Blountville. Here are two common methods:

Vincenty's formula (applied above)
  • 185.867 miles
  • 299.123 kilometers
  • 161.514 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
  • 185.682 miles
  • 298.826 kilometers
  • 161.353 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).

Airport information


A Chattanooga Metropolitan Airport
City: Chattanooga, TN
Country: United States Flag of United States
IATA Code: CHA
ICAO Code: KCHA
Coordinates: 35°2′7″N, 85°12′13″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

Time difference and current local times

There is no time difference between Chattanooga and Blountville.

Time Difference

Chattanooga, TN

 EST

Blountville, TN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 52 kg (115 pounds).

Frequent Flyer Miles Calculator

Chattanooga (CHA) → Blountville (TRI).

Distance:
186
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
186

Round trip?