How far is Decatur, IL, from Huntsville, AL?
The distance between Huntsville (Huntsville International Airport) and Decatur (Decatur Airport) is 376 miles / 606 kilometers / 327 nautical miles.
The driving distance from Huntsville (HSV) to Decatur (DEC) is 487 miles / 784 kilometers, and travel time by car is about 9 hours 13 minutes.
Huntsville International Airport – Decatur Airport
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Distance from Huntsville to Decatur
There are several ways to calculate the distance from Huntsville to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 376.465 miles
- 605.862 kilometers
- 327.139 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- 377.037 miles
- 606.783 kilometers
- 327.636 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 Huntsville to Decatur?
The estimated flight time from Huntsville International Airport to Decatur Airport is 1 hour and 12 minutes.
What is the time difference between Huntsville and Decatur?
Flight carbon footprint between Huntsville International Airport (HSV) and Decatur Airport (DEC)
On average, flying from Huntsville to Decatur generates about 80 kg of CO2 per passenger, and 80 kilograms equals 177 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Huntsville to Decatur
See the map of the shortest flight path between Huntsville International Airport (HSV) and Decatur Airport (DEC).
Airport information
| Origin | Huntsville International Airport |
|---|---|
| City: | Huntsville, AL |
| Country: | United States  |
| IATA Code: | HSV |
| ICAO Code: | KHSV |
| Coordinates: | 34°38′13″N, 86°46′30″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 |