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How far is New Haven, CT, from Decatur, IL?

The distance between Decatur (Decatur Airport) and New Haven (Tweed New Haven Airport) is 846 miles / 1361 kilometers / 735 nautical miles.

The driving distance from Decatur (DEC) to New Haven (HVN) is 979 miles / 1576 kilometers, and travel time by car is about 18 hours 38 minutes.

Decatur Airport – Tweed New Haven Airport

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846
Miles
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1361
Kilometers
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735
Nautical miles

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Distance from Decatur to New Haven

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

Vincenty's formula (applied above)
  • 845.573 miles
  • 1360.817 kilometers
  • 734.783 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
  • 843.477 miles
  • 1357.445 kilometers
  • 732.961 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 New Haven?

The estimated flight time from Decatur Airport to Tweed New Haven Airport is 2 hours and 6 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Tweed New Haven Airport (HVN)

On average, flying from Decatur to New Haven generates about 139 kg of CO2 per passenger, and 139 kilograms equals 306 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 New Haven

See the map of the shortest flight path between Decatur Airport (DEC) and Tweed New Haven Airport (HVN).

Airport information

Origin 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
Destination Tweed New Haven Airport
City: New Haven, CT
Country: United States Flag of United States
IATA Code: HVN
ICAO Code: KHVN
Coordinates: 41°15′49″N, 72°53′12″W