How far is Decatur, IL, from Harrison, AR?

The distance between Harrison (Boone County Airport) and Decatur (Decatur Airport) is 340 miles / 547 kilometers / 295 nautical miles.

The driving distance from Harrison (HRO) to Decatur (DEC) is 420 miles / 676 kilometers, and travel time by car is about 7 hours 53 minutes.

Distance from Harrison to Decatur

There are several ways to calculate the distance from Harrison to Decatur. Here are two standard methods:

Vincenty's formula (applied above)

• 339.696 miles
• 546.688 kilometers
• 295.188 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

• 339.631 miles
• 546.583 kilometers
• 295.131 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 Harrison to Decatur?

The estimated flight time from Boone County Airport to Decatur Airport is 1 hour and 8 minutes.

What is the time difference between Harrison and Decatur?

There is no time difference between Harrison and Decatur.

Flight carbon footprint between Boone County Airport (HRO) and Decatur Airport (DEC)

On average, flying from Harrison to Decatur generates about 75 kg of CO2 per passenger, and 75 kilograms equals 165 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Harrison to Decatur

See the map of the shortest flight path between Boone County Airport (HRO) and Decatur Airport (DEC).

Airport information

Origin	Boone County Airport
City:	Harrison, AR
Country:	United States
IATA Code:	HRO
ICAO Code:	KHRO
Coordinates:	36°15′41″N, 93°9′16″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