Air Miles Calculator

Distance between Chicago, IL (ORD) and Butte, MT (BTM)

Flight distance from Chicago to Butte (Chicago O'Hare International Airport – Bert Mooney Airport) is 1251 miles / 2014 kilometers / 1087 nautical miles. Estimated flight time is 2 hours 52 minutes.

Driving distance from Chicago (ORD) to Butte (BTM) is 1495 miles / 2406 kilometers and travel time by car is about 24 hours 4 minutes.

Map of flight path and driving directions from Chicago to Butte.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Bert Mooney Airport (BTM).

How far is Butte from Chicago?

There are several ways to calculate distances between Chicago and Butte. Here are two common methods:

Vincenty's formula (applied above)
  • 1251.280 miles
  • 2013.739 kilometers
  • 1087.332 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1248.075 miles
  • 2008.582 kilometers
  • 1084.547 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

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

Time difference and current local times

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

Time Difference

Chicago, IL

 CST

Butte, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 164 kg (361 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Butte (BTM).

Distance:
1251
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1251

Round trip?