Air Miles Calculator

Distance between Greensboro, NC (GSO) and Montgomery, AL (MGM)

Flight distance from Greensboro to Montgomery (Greensboro Piedmont Triad International Airport – Montgomery Regional Airport) is 453 miles / 729 kilometers / 394 nautical miles. Estimated flight time is 1 hour 21 minutes.

Driving distance from Greensboro (GSO) to Montgomery (MGM) is 506 miles / 815 kilometers and travel time by car is about 8 hours 57 minutes.

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

Shortest flight path between Greensboro Piedmont Triad International Airport (GSO) and Montgomery Regional Airport (MGM).

How far is Montgomery from Greensboro?

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

Vincenty's formula (applied above)
  • 452.851 miles
  • 728.792 kilometers
  • 393.516 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
  • 452.563 miles
  • 728.329 kilometers
  • 393.266 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 Greensboro Piedmont Triad International Airport
City: Greensboro, NC
Country: United States Flag of United States
IATA Code: GSO
ICAO Code: KGSO
Coordinates: 36°5′52″N, 79°56′14″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

The time difference between Greensboro and Montgomery is 1 hour. Montgomery is 1 hour behind Greensboro.

Time Difference

Greensboro, NC

 EST

Montgomery, AL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 92 kg (202 pounds).

Frequent Flyer Miles Calculator

Greensboro (GSO) → Montgomery (MGM).

Distance:
453
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
453

Round trip?