# 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
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
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.

CDT

MDT

## 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?