Air Miles Calculator

Distance between Lafayette, LA (LFT) and Key West, FL (EYW)

Flight distance from Lafayette to Key West (Lafayette Regional Airport – Key West International Airport) is 739 miles / 1189 kilometers / 642 nautical miles. Estimated flight time is 1 hour 53 minutes.

Driving distance from Lafayette (LFT) to Key West (EYW) is 1132 miles / 1822 kilometers and travel time by car is about 20 hours 13 minutes.

Map of flight path and driving directions from Lafayette to Key West.

Shortest flight path between Lafayette Regional Airport (LFT) and Key West International Airport (EYW).

How far is Key West from Lafayette?

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

Vincenty's formula (applied above)
  • 738.727 miles
  • 1188.866 kilometers
  • 641.936 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
  • 738.466 miles
  • 1188.446 kilometers
  • 641.710 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 Key West International Airport
City: Key West, FL
Country: United States Flag of United States
IATA Code: EYW
ICAO Code: KEYW
Coordinates: 24°33′21″N, 81°45′34″W

Time difference and current local times

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

Time Difference

Lafayette, LA

 CST

Key West, FL

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 129 kg (284 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Key West (EYW).

Distance:
739
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
739

Round trip?