How far is Montgomery, AL, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Montgomery (Montgomery Regional Airport) is 537 miles / 865 kilometers / 467 nautical miles.
The driving distance from Decatur (DEC) to Montgomery (MGM) is 654 miles / 1053 kilometers, and travel time by car is about 12 hours 12 minutes.
Decatur Airport – Montgomery Regional Airport
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Distance from Decatur to Montgomery
There are several ways to calculate the distance from Decatur to Montgomery. Here are two standard methods:
Vincenty's formula (applied above)- 537.496 miles
- 865.016 kilometers
- 467.071 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 538.476 miles
- 866.593 kilometers
- 467.923 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).
How long does it take to fly from Decatur to Montgomery?
The estimated flight time from Decatur Airport to Montgomery Regional Airport is 1 hour and 31 minutes.
What is the time difference between Decatur and Montgomery?
Flight carbon footprint between Decatur Airport (DEC) and Montgomery Regional Airport (MGM)
On average, flying from Decatur to Montgomery generates about 104 kg of CO2 per passenger, and 104 kilograms equals 230 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Montgomery
See the map of the shortest flight path between Decatur Airport (DEC) and Montgomery Regional Airport (MGM).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | Montgomery Regional Airport |
|---|---|
| City: | Montgomery, AL |
| Country: | United States |
| IATA Code: | MGM |
| ICAO Code: | KMGM |
| Coordinates: | 32°18′2″N, 86°23′38″W |