Air Miles Calculator

Distance between Huntsville, AL (HSV) and Decatur, IL (DEC)

Distance from Huntsville to Decatur (Huntsville International Airport – Decatur Airport) is 376 miles / 606 kilometers / 327 nautical miles.

How far is Decatur from Huntsville?

There are several ways to calculate distances between Huntsville and Decatur. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from Huntsville International Airport (HSV) to Decatur Airport (DEC) is 1 hour 12 minutes.

Time difference and current local times

There is no time difference between Huntsville and Decatur.

Time Difference

Huntsville
Decatur

Huntsville, AL

 CST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 80 kg (175 pounds).

Airport information


A Huntsville International Airport
City: Huntsville, AL
Country: United States Flag of United States
IATA Code: HSV
ICAO Code: KHSV
Coordinates: 34°38′13″N, 86°46′30″W

B 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

Map

Huntsville to Decatur flight map.

Frequent Flyer Miles Calculator

Huntsville (HSV) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
376
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
376

Round trip?