Air Miles Calculator

Distance between Lafayette, LA (LFT) and Blountville, TN (TRI)

Flight distance from Lafayette to Blountville (Lafayette Regional Airport – Blountville Tri-Cities Regional Airport) is 702 miles / 1130 kilometers / 610 nautical miles. Estimated flight time is 1 hour 49 minutes.

Driving distance from Lafayette (LFT) to Blountville (TRI) is 811 miles / 1305 kilometers and travel time by car is about 14 hours 9 minutes.

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

Shortest flight path between Lafayette Regional Airport (LFT) and Blountville Tri-Cities Regional Airport (TRI).

How far is Blountville from Lafayette?

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

Vincenty's formula (applied above)
  • 702.064 miles
  • 1129.862 kilometers
  • 610.077 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
  • 701.819 miles
  • 1129.468 kilometers
  • 609.864 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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″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

The time difference between Lafayette and Blountville is 1 hour. Blountville is 1 hour ahead of Lafayette.

Time Difference

Lafayette, LA

 CST

Blountville, TN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 125 kg (275 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Blountville (TRI).

Distance:
702
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
702

Round trip?