How far is Huntsville, AL, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Huntsville (Huntsville International Airport) is 376 miles / 606 kilometers / 327 nautical miles.
The driving distance from Decatur (DEC) to Huntsville (HSV) is 487 miles / 784 kilometers, and travel time by car is about 9 hours 10 minutes.
Decatur Airport – Huntsville International Airport
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Distance from Decatur to Huntsville
There are several ways to calculate the distance from Decatur to Huntsville. 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 Decatur to Huntsville?
The estimated flight time from Decatur Airport to Huntsville International Airport is 1 hour and 12 minutes.
What is the time difference between Decatur and Huntsville?
Flight carbon footprint between Decatur Airport (DEC) and Huntsville International Airport (HSV)
On average, flying from Decatur to Huntsville 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 Decatur to Huntsville
See the map of the shortest flight path between Decatur Airport (DEC) and Huntsville International Airport (HSV).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | Huntsville International Airport |
|---|---|
| City: | Huntsville, AL |
| Country: | United States |
| IATA Code: | HSV |
| ICAO Code: | KHSV |
| Coordinates: | 34°38′13″N, 86°46′30″W |