# Distance between Chicago, IL (ORD) and Missoula, MT (MSO)

Flight distance from Chicago to Missoula (Chicago O'Hare International Airport – Missoula International Airport) is 1332 miles / 2144 kilometers / 1158 nautical miles. Estimated flight time is 3 hours 1 minutes.

Driving distance from Chicago (ORD) to Missoula (MSO) is 1618 miles / 2604 kilometers and travel time by car is about 25 hours 56 minutes.

## Map of flight path and driving directions from Chicago to Missoula.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Missoula International Airport (MSO).

## How far is Missoula from Chicago?

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

Vincenty's formula (applied above)
• 1332.426 miles
• 2144.332 kilometers
• 1157.847 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
• 1329.053 miles
• 2138.903 kilometers
• 1154.915 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 Missoula International Airport
City: Missoula, MT
Country: United States
IATA Code: MSO
ICAO Code: KMSO
Coordinates: 46°54′58″N, 114°5′27″W

## Time difference and current local times

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

CDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 169 kg (372 pounds).

## Frequent Flyer Miles Calculator

Chicago (ORD) → Missoula (MSO).

Distance:
1332
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1332

Round trip?