Air Miles Calculator

Distance between Lafayette, LA (LFT) and Knoxville, TN (TYS)

Flight distance from Lafayette to Knoxville (Lafayette Regional Airport – Knoxville McGhee Tyson Airport) is 603 miles / 971 kilometers / 524 nautical miles. Estimated flight time is 1 hour 38 minutes.

Driving distance from Lafayette (LFT) to Knoxville (TYS) is 714 miles / 1149 kilometers and travel time by car is about 12 hours 28 minutes.

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

Shortest flight path between Lafayette Regional Airport (LFT) and Knoxville McGhee Tyson Airport (TYS).

How far is Knoxville from Lafayette?

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

Vincenty's formula (applied above)
  • 603.460 miles
  • 971.174 kilometers
  • 524.392 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
  • 603.357 miles
  • 971.009 kilometers
  • 524.303 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 Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States Flag of United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″W

Time difference and current local times

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

Time Difference

Lafayette, LA

 CST

Knoxville, TN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 113 kg (249 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Knoxville (TYS).

Distance:
603
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
603

Round trip?