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How far is Decatur, IL, from Lafayette, LA?

The distance between Lafayette (Lafayette Regional Airport) and Decatur (Decatur Airport) is 687 miles / 1105 kilometers / 597 nautical miles.

The driving distance from Lafayette (LFT) to Decatur (DEC) is 830 miles / 1335 kilometers, and travel time by car is about 15 hours 30 minutes.

Lafayette Regional Airport – Decatur Airport

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687
Miles
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1105
Kilometers
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597
Nautical miles

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Distance from Lafayette to Decatur

There are several ways to calculate the distance from Lafayette to Decatur. Here are two standard methods:

Vincenty's formula (applied above)
  • 686.875 miles
  • 1105.418 kilometers
  • 596.878 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 688.239 miles
  • 1107.614 kilometers
  • 598.064 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).

How long does it take to fly from Lafayette to Decatur?

The estimated flight time from Lafayette Regional Airport to Decatur Airport is 1 hour and 48 minutes.

What is the time difference between Lafayette and Decatur?

There is no time difference between Lafayette and Decatur.

Flight carbon footprint between Lafayette Regional Airport (LFT) and Decatur Airport (DEC)

On average, flying from Lafayette to Decatur generates about 123 kg of CO2 per passenger, and 123 kilograms equals 271 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lafayette to Decatur

See the map of the shortest flight path between Lafayette Regional Airport (LFT) and Decatur Airport (DEC).

Airport information

Origin 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
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W