Air Miles Calculator

Distance between St Louis, MO (STL) and Montgomery, AL (MGM)

Distance from St Louis to Montgomery (St. Louis Lambert International Airport – Montgomery Regional Airport) is 498 miles / 801 kilometers / 432 nautical miles.

How far is Montgomery from St Louis?

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

Vincenty's formula (applied above)
  • 497.685 miles
  • 800.947 kilometers
  • 432.477 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
  • 498.335 miles
  • 801.992 kilometers
  • 433.041 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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to Montgomery Regional Airport (MGM) is 1 hour 26 minutes.

Time difference and current local times

There is no time difference between St Louis and Montgomery.

Time Difference

St Louis
Montgomery

St Louis, MO

 CST

Montgomery, AL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 99 kg (218 pounds).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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

Map

St Louis to Montgomery flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Montgomery (MGM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
498
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
498

Round trip?