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

The distance between Decatur (Decatur Airport) and Billings (Billings Logan International Airport) is 1078 miles / 1735 kilometers / 937 nautical miles.

The driving distance from Decatur (DEC) to Billings (BIL) is 1294 miles / 2083 kilometers, and travel time by car is about 23 hours 18 minutes.

Decatur Airport – Billings Logan International Airport

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1078
Miles
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1735
Kilometers
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937
Nautical miles

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Distance from Decatur to Billings

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

Vincenty's formula (applied above)
  • 1077.941 miles
  • 1734.777 kilometers
  • 936.705 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
  • 1075.643 miles
  • 1731.079 kilometers
  • 934.708 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 Billings?

The estimated flight time from Decatur Airport to Billings Logan International Airport is 2 hours and 32 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Billings Logan International Airport (BIL)

On average, flying from Decatur to Billings generates about 156 kg of CO2 per passenger, and 156 kilograms equals 343 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 Billings

See the map of the shortest flight path between Decatur Airport (DEC) and Billings Logan International Airport (BIL).

Airport information

Origin 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
Destination Billings Logan International Airport
City: Billings, MT
Country: United States Flag of United States
IATA Code: BIL
ICAO Code: KBIL
Coordinates: 45°48′27″N, 108°32′34″W