Air Miles Calculator

Distance between Roanoke, VA (ROA) and Montgomery, AL (MGM)

Distance from Roanoke to Montgomery (Roanoke–Blacksburg Regional Airport – Montgomery Regional Airport) is 503 miles / 809 kilometers / 437 nautical miles.

How far is Montgomery from Roanoke?

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

Vincenty's formula (applied above)
  • 502.880 miles
  • 809.307 kilometers
  • 436.991 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
  • 502.852 miles
  • 809.262 kilometers
  • 436.966 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 Roanoke–Blacksburg Regional Airport (ROA) to Montgomery Regional Airport (MGM) is 1 hour 27 minutes.

Time difference and current local times

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

Time Difference

Roanoke
Montgomery

Roanoke, VA

 EDT

Montgomery, AL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 99 kg (219 pounds).

Airport information


A Roanoke–Blacksburg Regional Airport
City: Roanoke, VA
Country: United States Flag of United States
IATA Code: ROA
ICAO Code: KROA
Coordinates: 37°19′31″N, 79°58′31″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

Roanoke to Montgomery flight path

Shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Montgomery Regional Airport (MGM).

Frequent Flyer Miles Calculator

Roanoke (ROA) → Montgomery (MGM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
503
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
503

Round trip?