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How far is Decatur, IL, from Grand Rapids, MI?

The distance between Grand Rapids (Gerald R. Ford International Airport) and Decatur (Decatur Airport) is 273 miles / 439 kilometers / 237 nautical miles.

The driving distance from Grand Rapids (GRR) to Decatur (DEC) is 331 miles / 532 kilometers, and travel time by car is about 6 hours 14 minutes.

Gerald R. Ford International Airport – Decatur Airport

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273
Miles
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439
Kilometers
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237
Nautical miles

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Distance from Grand Rapids to Decatur

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

Vincenty's formula (applied above)
  • 272.720 miles
  • 438.901 kilometers
  • 236.987 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
  • 272.631 miles
  • 438.757 kilometers
  • 236.910 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 Grand Rapids to Decatur?

The estimated flight time from Gerald R. Ford International Airport to Decatur Airport is 1 hour and 0 minutes.

Flight carbon footprint between Gerald R. Ford International Airport (GRR) and Decatur Airport (DEC)

On average, flying from Grand Rapids to Decatur generates about 65 kg of CO2 per passenger, and 65 kilograms equals 144 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Grand Rapids to Decatur

See the map of the shortest flight path between Gerald R. Ford International Airport (GRR) and Decatur Airport (DEC).

Airport information

Origin Gerald R. Ford International Airport
City: Grand Rapids, MI
Country: United States Flag of United States
IATA Code: GRR
ICAO Code: KGRR
Coordinates: 42°52′50″N, 85°31′22″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