How far is Lafayette, LA, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Lafayette (Lafayette Regional Airport) is 687 miles / 1105 kilometers / 597 nautical miles.
The driving distance from Decatur (DEC) to Lafayette (LFT) is 829 miles / 1334 kilometers, and travel time by car is about 15 hours 28 minutes.
Decatur Airport – Lafayette Regional Airport
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Distance from Decatur to Lafayette
There are several ways to calculate the distance from Decatur to Lafayette. 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 Decatur to Lafayette?
The estimated flight time from Decatur Airport to Lafayette Regional Airport is 1 hour and 48 minutes.
What is the time difference between Decatur and Lafayette?
Flight carbon footprint between Decatur Airport (DEC) and Lafayette Regional Airport (LFT)
On average, flying from Decatur to Lafayette 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 Decatur to Lafayette
See the map of the shortest flight path between Decatur Airport (DEC) and Lafayette Regional Airport (LFT).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | Lafayette Regional Airport |
|---|---|
| City: | Lafayette, LA |
| Country: | United States |
| IATA Code: | LFT |
| ICAO Code: | KLFT |
| Coordinates: | 30°12′19″N, 91°59′15″W |