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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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.
What is the time difference between Decatur and New Haven?
The time difference between Decatur and New Haven is 1 hour. New Haven is 1 hour ahead of Decatur.
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 |
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City: | Decatur, IL |
Country: | United States ![]() |
IATA Code: | DEC |
ICAO Code: | KDEC |
Coordinates: | 39°50′4″N, 88°51′56″W |
Destination | Tweed New Haven Airport |
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City: | New Haven, CT |
Country: | United States ![]() |
IATA Code: | HVN |
ICAO Code: | KHVN |
Coordinates: | 41°15′49″N, 72°53′12″W |