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

The distance between Decatur (Decatur Airport) and Butte (Bert Mooney Airport) is 1266 miles / 2037 kilometers / 1100 nautical miles.

The driving distance from Decatur (DEC) to Butte (BTM) is 1518 miles / 2443 kilometers, and travel time by car is about 26 hours 57 minutes.

Distance from Decatur to Butte

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

Vincenty's formula (applied above)

• 1265.920 miles
• 2037.300 kilometers
• 1100.054 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

• 1263.055 miles
• 2032.690 kilometers
• 1097.565 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 Butte?

The estimated flight time from Decatur Airport to Bert Mooney Airport is 2 hours and 53 minutes.

What is the time difference between Decatur and Butte?

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

Flight carbon footprint between Decatur Airport (DEC) and Bert Mooney Airport (BTM)

On average, flying from Decatur to Butte generates about 165 kg of CO2 per passenger, and 165 kilograms equals 363 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 Butte

See the map of the shortest flight path between Decatur Airport (DEC) and Bert Mooney Airport (BTM).

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	Bert Mooney Airport
City:	Butte, MT
Country:	United States
IATA Code:	BTM
ICAO Code:	KBTM
Coordinates:	45°57′17″N, 112°29′49″W