How far is Boise, ID, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Boise (Boise Airport) is 1431 miles / 2304 kilometers / 1244 nautical miles.

The driving distance from Decatur (DEC) to Boise (BOI) is 1648 miles / 2653 kilometers, and travel time by car is about 28 hours 22 minutes.

Distance from Decatur to Boise

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

Vincenty's formula (applied above)

• 1431.457 miles
• 2303.707 kilometers
• 1243.902 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

• 1427.913 miles
• 2298.004 kilometers
• 1240.823 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 Boise?

The estimated flight time from Decatur Airport to Boise Airport is 3 hours and 12 minutes.

What is the time difference between Decatur and Boise?

The time difference between Decatur and Boise is 1 hour. Boise is 1 hour behind Decatur.

Flight carbon footprint between Decatur Airport (DEC) and Boise Airport (BOI)

On average, flying from Decatur to Boise generates about 175 kg of CO2 per passenger, and 175 kilograms equals 386 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 Boise

See the map of the shortest flight path between Decatur Airport (DEC) and Boise Airport (BOI).

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	Boise Airport
City:	Boise, ID
Country:	United States
IATA Code:	BOI
ICAO Code:	KBOI
Coordinates:	43°33′51″N, 116°13′22″W