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).
Time difference and current local times
There is no time difference between Chicago and Montgomery.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 121 kg (268 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Montgomery (MGM).