Air Miles Calculator

Distance between Chicago, IL (ORD) and Montgomery, AL (MGM)

Flight distance from Chicago to Montgomery (Chicago O'Hare International Airport – Montgomery Regional Airport) is 673 miles / 1082 kilometers / 584 nautical miles. Estimated flight time is 1 hour 46 minutes.

Driving distance from Chicago (ORD) to Montgomery (MGM) is 773 miles / 1244 kilometers and travel time by car is about 13 hours 25 minutes.

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

Shortest flight path between Chicago O'Hare International Airport (ORD) and Montgomery Regional Airport (MGM).

How far is Montgomery from Chicago?

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

Vincenty's formula (applied above)
  • 672.557 miles
  • 1082.376 kilometers
  • 584.436 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
  • 673.811 miles
  • 1084.393 kilometers
  • 585.525 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 Montgomery Regional Airport
City: Montgomery, AL
Country: United States Flag of United States
IATA Code: MGM
ICAO Code: KMGM
Coordinates: 32°18′2″N, 86°23′38″W

Time difference and current local times

There is no time difference between Chicago and Montgomery.

Time Difference

Chicago, IL

 CST

Montgomery, AL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 121 kg (268 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Montgomery (MGM).

Distance:
673
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
673

Round trip?