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How far is Decatur, IL, from Bozeman, MT?

The distance between Bozeman (Bozeman Yellowstone International Airport) and Decatur (Decatur Airport) is 1200 miles / 1931 kilometers / 1043 nautical miles.

The driving distance from Bozeman (BZN) to Decatur (DEC) is 1423 miles / 2290 kilometers, and travel time by car is about 25 hours 50 minutes.

Bozeman Yellowstone International Airport – Decatur Airport

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1200
Miles
Distance arrow
1931
Kilometers
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1043
Nautical miles

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Distance from Bozeman to Decatur

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

Vincenty's formula (applied above)
  • 1199.934 miles
  • 1931.107 kilometers
  • 1042.714 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
  • 1197.250 miles
  • 1926.788 kilometers
  • 1040.382 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 Bozeman to Decatur?

The estimated flight time from Bozeman Yellowstone International Airport to Decatur Airport is 2 hours and 46 minutes.

Flight carbon footprint between Bozeman Yellowstone International Airport (BZN) and Decatur Airport (DEC)

On average, flying from Bozeman to Decatur generates about 161 kg of CO2 per passenger, and 161 kilograms equals 356 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Bozeman to Decatur

See the map of the shortest flight path between Bozeman Yellowstone International Airport (BZN) and Decatur Airport (DEC).

Airport information

Origin Bozeman Yellowstone International Airport
City: Bozeman, MT
Country: United States Flag of United States
IATA Code: BZN
ICAO Code: KBZN
Coordinates: 45°46′39″N, 111°9′10″W
Destination 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