Air Miles Calculator

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

Distance from Chicago to Butte (Bert Mooney Airport – O'Hare International Airport) is 1251 miles / 2014 kilometers / 1087 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Bert Mooney Airport (BTM) is 2 hours 52 minutes.

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
Butte

Chicago, IL

 CDT

Butte, MT

 MDT

Airport information


A 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

Map

Chicago to Butte flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Butte (BTM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1251
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1251

Round trip?