How far is Decatur, IL, from New Haven, CT?
The distance between New Haven (Tweed New Haven Airport) and Decatur (Decatur Airport) is 846 miles / 1361 kilometers / 735 nautical miles.
The driving distance from New Haven (HVN) to Decatur (DEC) is 979 miles / 1576 kilometers, and travel time by car is about 18 hours 42 minutes.
Tweed New Haven Airport – Decatur Airport
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Distance from New Haven to Decatur
There are several ways to calculate the distance from New Haven to Decatur. 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 New Haven to Decatur?
The estimated flight time from Tweed New Haven Airport to Decatur Airport is 2 hours and 6 minutes.
What is the time difference between New Haven and Decatur?
The time difference between New Haven and Decatur is 1 hour. Decatur is 1 hour behind New Haven.
Flight carbon footprint between Tweed New Haven Airport (HVN) and Decatur Airport (DEC)
On average, flying from New Haven to Decatur 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 New Haven to Decatur
See the map of the shortest flight path between Tweed New Haven Airport (HVN) and Decatur Airport (DEC).
Airport information
| Origin | Tweed New Haven Airport |
|---|---|
| City: | New Haven, CT |
| Country: | United States  |
| IATA Code: | HVN |
| ICAO Code: | KHVN |
| Coordinates: | 41°15′49″N, 72°53′12″W |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |