How far is Brookings, SD, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Brookings (Brookings Regional Airport) is 512 miles / 824 kilometers / 445 nautical miles.

The driving distance from Decatur (DEC) to Brookings (BKX) is 690 miles / 1111 kilometers, and travel time by car is about 12 hours 31 minutes.

Distance from Decatur to Brookings

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

Vincenty's formula (applied above)

• 511.826 miles
• 823.705 kilometers
• 444.765 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

• 511.176 miles
• 822.657 kilometers
• 444.199 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 Brookings?

The estimated flight time from Decatur Airport to Brookings Regional Airport is 1 hour and 28 minutes.

What is the time difference between Decatur and Brookings?

There is no time difference between Decatur and Brookings.

Flight carbon footprint between Decatur Airport (DEC) and Brookings Regional Airport (BKX)

On average, flying from Decatur to Brookings generates about 100 kg of CO2 per passenger, and 100 kilograms equals 221 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 Brookings

See the map of the shortest flight path between Decatur Airport (DEC) and Brookings Regional Airport (BKX).

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	Brookings Regional Airport
City:	Brookings, SD
Country:	United States
IATA Code:	BKX
ICAO Code:	KBKX
Coordinates:	44°18′17″N, 96°49′0″W