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