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How far is Decatur, IL, from Detroit, MI?

The distance between Detroit (Detroit Metropolitan Airport) and Decatur (Decatur Airport) is 331 miles / 533 kilometers / 288 nautical miles.

The driving distance from Detroit (DTW) to Decatur (DEC) is 412 miles / 663 kilometers, and travel time by car is about 7 hours 43 minutes.

Detroit Metropolitan Airport – Decatur Airport

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331
Miles
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533
Kilometers
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288
Nautical miles

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Distance from Detroit to Decatur

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

Vincenty's formula (applied above)
  • 331.428 miles
  • 533.381 kilometers
  • 288.003 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
  • 330.891 miles
  • 532.517 kilometers
  • 287.536 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 Detroit to Decatur?

The estimated flight time from Detroit Metropolitan Airport to Decatur Airport is 1 hour and 7 minutes.

Flight carbon footprint between Detroit Metropolitan Airport (DTW) and Decatur Airport (DEC)

On average, flying from Detroit to Decatur generates about 74 kg of CO2 per passenger, and 74 kilograms equals 163 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Detroit to Decatur

See the map of the shortest flight path between Detroit Metropolitan Airport (DTW) and Decatur Airport (DEC).

Airport information

Origin Detroit Metropolitan Airport
City: Detroit, MI
Country: United States Flag of United States
IATA Code: DTW
ICAO Code: KDTW
Coordinates: 42°12′44″N, 83°21′12″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