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How far is Decatur, IL, from New York, NY?

The distance between New York (New York LaGuardia Airport) and Decatur (Decatur Airport) is 794 miles / 1277 kilometers / 690 nautical miles.

The driving distance from New York (LGA) to Decatur (DEC) is 911 miles / 1466 kilometers, and travel time by car is about 17 hours 12 minutes.

New York LaGuardia Airport – Decatur Airport

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794
Miles
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1277
Kilometers
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690
Nautical miles

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Distance from New York to Decatur

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

Vincenty's formula (applied above)
  • 793.684 miles
  • 1277.310 kilometers
  • 689.692 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
  • 791.707 miles
  • 1274.128 kilometers
  • 687.974 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 New York to Decatur?

The estimated flight time from New York LaGuardia Airport to Decatur Airport is 2 hours and 0 minutes.

Flight carbon footprint between New York LaGuardia Airport (LGA) and Decatur Airport (DEC)

On average, flying from New York to Decatur generates about 134 kg of CO2 per passenger, and 134 kilograms equals 296 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from New York to Decatur

See the map of the shortest flight path between New York LaGuardia Airport (LGA) and Decatur Airport (DEC).

Airport information

Origin New York LaGuardia Airport
City: New York, NY
Country: United States Flag of United States
IATA Code: LGA
ICAO Code: KLGA
Coordinates: 40°46′37″N, 73°52′21″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